400344067700 has 72 divisors (see below), whose sum is σ = 871746850464. Its totient is φ = 159585552000.

The previous prime is 400344067681. The next prime is 400344067723. The reversal of 400344067700 is 7760443004.

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 23 ways as a sum of consecutive naturals, for example, 37163315 + ... + 37174085.

Almost surely, 2^400344067700 is an apocalyptic number.

It is an amenable number.

400344067700 is an abundant number, since it is smaller than the sum of its proper divisors (471402782764).

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

400344067700 is a wasteful number, since it uses less digits than its factorization.

400344067700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12033 (or 12026 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 35.

The spelling of 400344067700 in words is "four hundred billion, three hundred forty-four million, sixty-seven thousand, seven hundred".