401140510530 has 64 divisors (see below), whose sum is σ = 971896147200. Its totient is φ = 105953806080.

The previous prime is 401140510471. The next prime is 401140510541. The reversal of 401140510530 is 35015041104.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 401140510530.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10539835 + ... + 10577825.

It is an arithmetic number, because the mean of its divisors is an integer number (15185877300).

Almost surely, 2^401140510530 is an apocalyptic number.

401140510530 is an abundant number, since it is smaller than the sum of its proper divisors (570755636670).

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

401140510530 is a wasteful number, since it uses less digits than its factorization.

401140510530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41339.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 401140510530 its reverse (35015041104), we get a palindrome (436155551634).

The spelling of 401140510530 in words is "four hundred one billion, one hundred forty million, five hundred ten thousand, five hundred thirty".