401126356205 has 8 divisors (see below), whose sum is σ = 489242638104. Its totient is φ = 315640411200.

The previous prime is 401126356201. The next prime is 401126356207. The reversal of 401126356205 is 502653621104.

It can be written as a sum of positive squares in 4 ways, for example, as 4752861481 + 396373494724 = 68941^2 + 629582^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 401126356205 - 2² = 401126356201 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401126356201) 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, 657583886 + ... + 657584495.

It is an arithmetic number, because the mean of its divisors is an integer number (61155329763).

Almost surely, 2^401126356205 is an apocalyptic number.

It is an amenable number.

401126356205 is a deficient number, since it is larger than the sum of its proper divisors (88116281899).

401126356205 is a wasteful number, since it uses less digits than its factorization.

401126356205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315168447.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 401126356205 its reverse (502653621104), we get a palindrome (903779977309).

The spelling of 401126356205 in words is "four hundred one billion, one hundred twenty-six million, three hundred fifty-six thousand, two hundred five".