400922045952 has 80 divisors (see below), whose sum is σ = 1073449449600. Its totient is φ = 132969019392.

The previous prime is 400922045917. The next prime is 400922045987. The reversal of 400922045952 is 259540229004.

It is an interprime number because it is at equal distance from previous prime (400922045917) and next prime (400922045987).

It is a super-3 number, since 3×400922045952³ (a number of 36 digits) contains 333 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350158 + ... + 961485.

It is an arithmetic number, because the mean of its divisors is an integer number (13418118120).

Almost surely, 2^400922045952 is an apocalyptic number.

It is an amenable number.

400922045952 is an abundant number, since it is smaller than the sum of its proper divisors (672527403648).

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

400922045952 is a wasteful number, since it uses less digits than its factorization.

400922045952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311863 (or 1311847 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 400922045952 in words is "four hundred billion, nine hundred twenty-two million, forty-five thousand, nine hundred fifty-two".