400040884524 has 48 divisors (see below), whose sum is σ = 982612673280. Its totient is φ = 126321485760.

The previous prime is 400040884517. The next prime is 400040884567. The reversal of 400040884524 is 425488040004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5116969 + ... + 5194559.

It is an arithmetic number, because the mean of its divisors is an integer number (20471097360).

Almost surely, 2^400040884524 is an apocalyptic number.

It is an amenable number.

400040884524 is an abundant number, since it is smaller than the sum of its proper divisors (582571788756).

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

400040884524 is a wasteful number, since it uses less digits than its factorization.

400040884524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100230 (or 100228 counting only the distinct ones).

The product of its (nonzero) digits is 163840, while the sum is 39.

The spelling of 400040884524 in words is "four hundred billion, forty million, eight hundred eighty-four thousand, five hundred twenty-four".