400979202632 has 32 divisors (see below), whose sum is σ = 770774568480. Its totient is φ = 195446951040.

The previous prime is 400979202619. The next prime is 400979202643. The reversal of 400979202632 is 236202979004.

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, 55598 + ... + 897245.

It is an arithmetic number, because the mean of its divisors is an integer number (24086705265).

Almost surely, 2^400979202632 is an apocalyptic number.

It is an amenable number.

400979202632 is a deficient number, since it is larger than the sum of its proper divisors (369795365848).

400979202632 is a wasteful number, since it uses less digits than its factorization.

400979202632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954173 (or 954169 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 400979202632 in words is "four hundred billion, nine hundred seventy-nine million, two hundred two thousand, six hundred thirty-two".