400048808632 has 32 divisors (see below), whose sum is σ = 820599796080. Its totient is φ = 181325224960.

The previous prime is 400048808611. The next prime is 400048808657. The reversal of 400048808632 is 236808840004.

It is a super-2 number, since 2×400048808632² (a number of 24 digits) contains 22 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, 6408043 + ... + 6470170.

Almost surely, 2^400048808632 is an apocalyptic number.

It is an amenable number.

400048808632 is an abundant number, since it is smaller than the sum of its proper divisors (420550987448).

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

400048808632 is a wasteful number, since it uses less digits than its factorization.

400048808632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12878583 (or 12878579 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 43.

The spelling of 400048808632 in words is "four hundred billion, forty-eight million, eight hundred eight thousand, six hundred thirty-two".