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40022024420 = 2257293975671
BaseRepresentation
bin100101010001011111…
…111010000011100100
310211022012111111022202
4211101133322003210
51123431114240140
630215202514032
72614532410640
oct452137720344
9124265444282
1040022024420
1115a78431344
12790b365918
133a0a7c4271
141d194a1c20
1510938d7915
hex9517fa0e4

40022024420 has 48 divisors (see below), whose sum is σ = 96380782848. Its totient is φ = 13674990720.

The previous prime is 40022024407. The next prime is 40022024429. The reversal of 40022024420 is 2442022004.

40022024420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 40022024392 and 40022024401.

It is not an unprimeable number, because it can be changed into a prime (40022024429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446816 + ... + 528855.

It is an arithmetic number, because the mean of its divisors is an integer number (2007932976).

Almost surely, 240022024420 is an apocalyptic number.

It is an amenable number.

40022024420 is an abundant number, since it is smaller than the sum of its proper divisors (56358758428).

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

40022024420 is a wasteful number, since it uses less digits than its factorization.

40022024420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975980 (or 975978 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 40022024420 its reverse (2442022004), we get a palindrome (42464046424).

The spelling of 40022024420 in words is "forty billion, twenty-two million, twenty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 293 586 1172 1465 2051 2930 4102 5860 8204 10255 20510 41020 975671 1951342 3902684 4878355 6829697 9756710 13659394 19513420 27318788 34148485 68296970 136593940 285871603 571743206 1143486412 1429358015 2001101221 2858716030 4002202442 5717432060 8004404884 10005506105 20011012210 40022024420