400884088032 has 120 divisors (see below), whose sum is σ = 1241041170600. Its totient is φ = 126594959616.

The previous prime is 400884088019. The next prime is 400884088039. The reversal of 400884088032 is 230880488004.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400884088039) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4020807 + ... + 4119302.

It is an arithmetic number, because the mean of its divisors is an integer number (10342009755).

Almost surely, 2^400884088032 is an apocalyptic number.

It is an amenable number.

400884088032 is an abundant number, since it is smaller than the sum of its proper divisors (840157082568).

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

400884088032 is a wasteful number, since it uses less digits than its factorization.

400884088032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8140150 (or 8140133 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 45.

The spelling of 400884088032 in words is "four hundred billion, eight hundred eighty-four million, eighty-eight thousand, thirty-two".