400523024406032 has 40 divisors (see below), whose sum is σ = 846804206678112. Its totient is φ = 182003408825600.

The previous prime is 400523024406019. The next prime is 400523024406041. The reversal of 400523024406032 is 230604420325004.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 400523024405983 and 400523024406001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327584069 + ... + 328804452.

Almost surely, 2^{400523024406032} is an apocalyptic number.

It is an amenable number.

400523024406032 is an abundant number, since it is smaller than the sum of its proper divisors (446281182272080).

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

400523024406032 is a wasteful number, since it uses less digits than its factorization.

400523024406032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656392007 (or 656392001 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

The spelling of 400523024406032 in words is "four hundred trillion, five hundred twenty-three billion, twenty-four million, four hundred six thousand, thirty-two".