400462026660 has 72 divisors (see below), whose sum is σ = 1214842539456. Its totient is φ = 106780403520.

The previous prime is 400462026581. The next prime is 400462026673. The reversal of 400462026660 is 66620264004.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2068615 + ... + 2253905.

It is an arithmetic number, because the mean of its divisors is an integer number (16872813048).

Almost surely, 2^400462026660 is an apocalyptic number.

It is an amenable number.

400462026660 is an abundant number, since it is smaller than the sum of its proper divisors (814380512796).

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

400462026660 is a wasteful number, since it uses less digits than its factorization.

400462026660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197313 (or 197308 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 400462026660 in words is "four hundred billion, four hundred sixty-two million, twenty-six thousand, six hundred sixty".