400004202024 has 48 divisors (see below), whose sum is σ = 1238108245920. Its totient is φ = 114286914720.

The previous prime is 400004202019. The next prime is 400004202053. The reversal of 400004202024 is 420202400004.

400004202024 is a `hidden beast` number, since 40 + 0 + 0 + 0 + 420 + 202 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 400004201988 and 400004202006.

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 11 ways as a sum of consecutive naturals, for example, 396829062 + ... + 396830069.

It is an arithmetic number, because the mean of its divisors is an integer number (25793921790).

Almost surely, 2^400004202024 is an apocalyptic number.

It is an amenable number.

400004202024 is an abundant number, since it is smaller than the sum of its proper divisors (838104043896).

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

400004202024 is a wasteful number, since it uses less digits than its factorization.

400004202024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793659150 (or 793659143 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 400004202024 its reverse (420202400004), we get a palindrome (820206602028).

The spelling of 400004202024 in words is "four hundred billion, four million, two hundred two thousand, twenty-four".