401423610522 has 32 divisors (see below), whose sum is σ = 877295577600. Its totient is φ = 121440428720.

The previous prime is 401423610517. The next prime is 401423610559. The reversal of 401423610522 is 225016324104.

It is a super-2 number, since 2×401423610522² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401423610522.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5037408 + ... + 5116475.

It is an arithmetic number, because the mean of its divisors is an integer number (27415486800).

Almost surely, 2^401423610522 is an apocalyptic number.

401423610522 is an abundant number, since it is smaller than the sum of its proper divisors (475871967078).

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

401423610522 is a wasteful number, since it uses less digits than its factorization.

401423610522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10154498.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 401423610522 its reverse (225016324104), we get a palindrome (626439934626).

The spelling of 401423610522 in words is "four hundred one billion, four hundred twenty-three million, six hundred ten thousand, five hundred twenty-two".