400034402304 has 52 divisors (see below), whose sum is σ = 1066628219376. Its totient is φ = 133344796672.

The previous prime is 400034402263. The next prime is 400034402321. The reversal of 400034402304 is 403204430004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16265154 + ... + 16289729.

Almost surely, 2^400034402304 is an apocalyptic number.

It is an amenable number.

400034402304 is an abundant number, since it is smaller than the sum of its proper divisors (666593817072).

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

400034402304 is an equidigital number, since it uses as much as digits as its factorization.

400034402304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32554910 (or 32554888 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 400034402304 its reverse (403204430004), we get a palindrome (803238832308).

The spelling of 400034402304 in words is "four hundred billion, thirty-four million, four hundred two thousand, three hundred four".