400550345416 has 32 divisors (see below), whose sum is σ = 827612976960. Its totient is φ = 180570100032.

The previous prime is 400550345387. The next prime is 400550345441. The reversal of 400550345416 is 614543055004.

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, 44779780 + ... + 44788723.

It is an arithmetic number, because the mean of its divisors is an integer number (25862905530).

Almost surely, 2^400550345416 is an apocalyptic number.

It is an amenable number.

400550345416 is an abundant number, since it is smaller than the sum of its proper divisors (427062631544).

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

400550345416 is a wasteful number, since it uses less digits than its factorization.

400550345416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89568565 (or 89568561 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 400550345416 in words is "four hundred billion, five hundred fifty million, three hundred forty-five thousand, four hundred sixteen".