400368351100 has 36 divisors (see below), whose sum is σ = 896825113408. Its totient is φ = 154981296000.

The previous prime is 400368351083. The next prime is 400368351113. The reversal of 400368351100 is 1153863004.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64572441 + ... + 64578640.

Almost surely, 2^400368351100 is an apocalyptic number.

It is an amenable number.

400368351100 is an abundant number, since it is smaller than the sum of its proper divisors (496456762308).

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

400368351100 is a wasteful number, since it uses less digits than its factorization.

400368351100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129151126 (or 129151119 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 400368351100 in words is "four hundred billion, three hundred sixty-eight million, three hundred fifty-one thousand, one hundred".