400374040008 has 64 divisors (see below), whose sum is σ = 1025450536320. Its totient is φ = 130189939200.

The previous prime is 400374040007. The next prime is 400374040021. The reversal of 400374040008 is 800040473004.

It is not an unprimeable number, because it can be changed into a prime (400374040007) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 17613066 + ... + 17635782.

It is an arithmetic number, because the mean of its divisors is an integer number (16022664630).

Almost surely, 2^400374040008 is an apocalyptic number.

It is an amenable number.

400374040008 is an abundant number, since it is smaller than the sum of its proper divisors (625076496312).

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

400374040008 is a wasteful number, since it uses less digits than its factorization.

400374040008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40678 (or 40674 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The spelling of 400374040008 in words is "four hundred billion, three hundred seventy-four million, forty thousand, eight".