401435523885 has 32 divisors (see below), whose sum is σ = 700716096000. Its totient is φ = 194627451200.

The previous prime is 401435523883. The next prime is 401435523893. The reversal of 401435523885 is 588325534104.

It is not a de Polignac number, because 401435523885 - 2¹ = 401435523883 is a prime.

It is a super-2 number, since 2×401435523885² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401435523883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7149370 + ... + 7205300.

It is an arithmetic number, because the mean of its divisors is an integer number (21897378000).

Almost surely, 2^401435523885 is an apocalyptic number.

It is an amenable number.

401435523885 is a deficient number, since it is larger than the sum of its proper divisors (299280572115).

401435523885 is a wasteful number, since it uses less digits than its factorization.

401435523885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99449.

The product of its (nonzero) digits is 2304000, while the sum is 48.

The spelling of 401435523885 in words is "four hundred one billion, four hundred thirty-five million, five hundred twenty-three thousand, eight hundred eighty-five".