400452505410 has 64 divisors (see below), whose sum is σ = 1017695446272. Its totient is φ = 100498323456.

The previous prime is 400452505399. The next prime is 400452505441. The reversal of 400452505410 is 14505254004.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

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, 11083134 + ... + 11119206.

It is an arithmetic number, because the mean of its divisors is an integer number (15901491348).

Almost surely, 2^400452505410 is an apocalyptic number.

400452505410 is an abundant number, since it is smaller than the sum of its proper divisors (617242940862).

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

400452505410 is a wasteful number, since it uses less digits than its factorization.

400452505410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57867.

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 400452505410 its reverse (14505254004), we get a palindrome (414957759414).

The spelling of 400452505410 in words is "four hundred billion, four hundred fifty-two million, five hundred five thousand, four hundred ten".