400396367260 has 24 divisors (see below), whose sum is σ = 841562942976. Its totient is φ = 160019390400.

The previous prime is 400396367251. The next prime is 400396367263. The reversal of 400396367260 is 62763693004.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 400396367260.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400396367263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8673687 + ... + 8719726.

It is an arithmetic number, because the mean of its divisors is an integer number (35065122624).

Almost surely, 2^400396367260 is an apocalyptic number.

It is an amenable number.

400396367260 is an abundant number, since it is smaller than the sum of its proper divisors (441166575716).

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

400396367260 is a wasteful number, since it uses less digits than its factorization.

400396367260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17394573 (or 17394571 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 46.

The spelling of 400396367260 in words is "four hundred billion, three hundred ninety-six million, three hundred sixty-seven thousand, two hundred sixty".