400476744732 has 12 divisors (see below), whose sum is σ = 934445737736. Its totient is φ = 133492248240.

The previous prime is 400476744659. The next prime is 400476744751. The reversal of 400476744732 is 237447674004.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×400476744732² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16686531019 + ... + 16686531042.

Almost surely, 2^400476744732 is an apocalyptic number.

It is an amenable number.

400476744732 is an abundant number, since it is smaller than the sum of its proper divisors (533968993004).

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

400476744732 is a wasteful number, since it uses less digits than its factorization.

400476744732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33373062068 (or 33373062066 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 48.

The spelling of 400476744732 in words is "four hundred billion, four hundred seventy-six million, seven hundred forty-four thousand, seven hundred thirty-two".