400464262011534 has 64 divisors (see below), whose sum is σ = 916395825438720. Its totient is φ = 114287315857920.

The previous prime is 400464262011509. The next prime is 400464262011631. The reversal of 400464262011534 is 435110262464004.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent 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, 130501012 + ... + 133534424.

It is an arithmetic number, because the mean of its divisors is an integer number (14318684772480).

Almost surely, 2^{400464262011534} is an apocalyptic number.

400464262011534 is an abundant number, since it is smaller than the sum of its proper divisors (515931563427186).

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

400464262011534 is a wasteful number, since it uses less digits than its factorization.

400464262011534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3037025.

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 400464262011534 in words is "four hundred trillion, four hundred sixty-four billion, two hundred sixty-two million, eleven thousand, five hundred thirty-four".