406634032553 has 32 divisors (see below), whose sum is σ = 501256304640. Its totient is φ = 322054669440.

The previous prime is 406634032517. The next prime is 406634032601. The reversal of 406634032553 is 355230436604.

It is not a de Polignac number, because 406634032553 - 2²⁴ = 406617255337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 406634032553.

It is not an unprimeable number, because it can be changed into a prime (406634032253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24655676 + ... + 24672162.

It is an arithmetic number, because the mean of its divisors is an integer number (15664259520).

Almost surely, 2^406634032553 is an apocalyptic number.

It is an amenable number.

406634032553 is a deficient number, since it is larger than the sum of its proper divisors (94622272087).

406634032553 is a wasteful number, since it uses less digits than its factorization.

406634032553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21077.

The product of its (nonzero) digits is 777600, while the sum is 41.

The spelling of 406634032553 in words is "four hundred six billion, six hundred thirty-four million, thirty-two thousand, five hundred fifty-three".