400373367072 has 48 divisors (see below), whose sum is σ = 1201120103232. Its totient is φ = 114392390400.

The previous prime is 400373367029. The next prime is 400373367127. The reversal of 400373367072 is 270763373004.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297896179 + ... + 297897522.

It is an arithmetic number, because the mean of its divisors is an integer number (25023335484).

Almost surely, 2^400373367072 is an apocalyptic number.

400373367072 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

400373367072 is an abundant number, since it is smaller than the sum of its proper divisors (800746736160).

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

400373367072 is a wasteful number, since it uses less digits than its factorization.

400373367072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595793721 (or 595793713 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 42.

The spelling of 400373367072 in words is "four hundred billion, three hundred seventy-three million, three hundred sixty-seven thousand, seventy-two".