400633434555 has 16 divisors (see below), whose sum is σ = 641045417760. Its totient is φ = 213660524288.

The previous prime is 400633434497. The next prime is 400633434577. The reversal of 400633434555 is 555434336004.

It is a cyclic number.

It is not a de Polignac number, because 400633434555 - 2¹⁵ = 400633401787 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 348960 + ... + 960749.

It is an arithmetic number, because the mean of its divisors is an integer number (40065338610).

Almost surely, 2^400633434555 is an apocalyptic number.

400633434555 is a deficient number, since it is larger than the sum of its proper divisors (240411983205).

400633434555 is a wasteful number, since it uses less digits than its factorization.

400633434555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330110.

The product of its (nonzero) digits is 1296000, while the sum is 42.

The spelling of 400633434555 in words is "four hundred billion, six hundred thirty-three million, four hundred thirty-four thousand, five hundred fifty-five".