400654552764 has 48 divisors (see below), whose sum is σ = 939555577856. Its totient is φ = 132882120000.

The previous prime is 400654552751. The next prime is 400654552871. The reversal of 400654552764 is 467255456004.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2380389 + ... + 2543139.

Almost surely, 2^400654552764 is an apocalyptic number.

It is an amenable number.

400654552764 is an abundant number, since it is smaller than the sum of its proper divisors (538901025092).

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

400654552764 is a wasteful number, since it uses less digits than its factorization.

400654552764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163786 (or 163784 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 48.

The spelling of 400654552764 in words is "four hundred billion, six hundred fifty-four million, five hundred fifty-two thousand, seven hundred sixty-four".