400532008004 has 6 divisors (see below), whose sum is σ = 700931014014. Its totient is φ = 200266004000.

The previous prime is 400532007991. The next prime is 400532008031. The reversal of 400532008004 is 400800235004.

It can be written as a sum of positive squares in only one way, i.e., 397946488900 + 2585519104 = 630830^2 + 50848^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50066500997 + ... + 50066501004.

It is an arithmetic number, because the mean of its divisors is an integer number (116821835669).

Almost surely, 2^400532008004 is an apocalyptic number.

It is an amenable number.

400532008004 is a deficient number, since it is larger than the sum of its proper divisors (300399006010).

400532008004 is a wasteful number, since it uses less digits than its factorization.

400532008004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100133002005 (or 100133002003 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The spelling of 400532008004 in words is "four hundred billion, five hundred thirty-two million, eight thousand, four".