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401597666795104 = 25135807166244017
BaseRepresentation
bin101101101010000000011111…
…0010001011001111001100000
31221122221100202220012111200221
41123110000332101121321200
5410114234010144420404
63542043230551052424
7150406321363420633
oct13324007621317140
91848840686174627
10401597666795104
11106a6368330477a
123906039a071114
1314311660c73c80
147125606101c1a
153166724982954
hex16d403e459e60

401597666795104 has 48 divisors (see below), whose sum is σ = 851610916271808. Its totient is φ = 185320849324032.

The previous prime is 401597666795053. The next prime is 401597666795107.

401597666795104 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×4015976667951042 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401597666795107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80706297 + ... + 85537720.

It is an arithmetic number, because the mean of its divisors is an integer number (17741894088996).

Almost surely, 2401597666795104 is an apocalyptic number.

It is an amenable number.

401597666795104 is an abundant number, since it is smaller than the sum of its proper divisors (450013249476704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401597666795104 is a wasteful number, since it uses less digits than its factorization.

401597666795104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166249847 (or 166249839 counting only the distinct ones).

The product of its (nonzero) digits is 342921600, while the sum is 70.

The spelling of 401597666795104 in words is "four hundred one trillion, five hundred ninety-seven billion, six hundred sixty-six million, seven hundred ninety-five thousand, one hundred four".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 5807 11614 23228 46456 75491 92912 150982 185824 301964 603928 1207856 2415712 166244017 332488034 664976068 1329952136 2161172221 2659904272 4322344442 5319808544 8644688884 17289377768 34578755536 69157511072 965379006719 1930758013438 3861516026876 7723032053752 12549927087347 15446064107504 25099854174694 30892128215008 50199708349388 100399416698776 200798833397552 401597666795104