400404073374 has 24 divisors (see below), whose sum is σ = 867574431360. Its totient is φ = 133463059488.

The previous prime is 400404073357. The next prime is 400404073393. The reversal of 400404073374 is 473370404004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100867 + ... + 900545.

It is an arithmetic number, because the mean of its divisors is an integer number (36148934640).

Almost surely, 2^400404073374 is an apocalyptic number.

400404073374 is an abundant number, since it is smaller than the sum of its proper divisors (467170357986).

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

400404073374 is a wasteful number, since it uses less digits than its factorization.

400404073374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827504 (or 827501 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 36.

Adding to 400404073374 its reverse (473370404004), we get a palindrome (873774477378).

The spelling of 400404073374 in words is "four hundred billion, four hundred four million, seventy-three thousand, three hundred seventy-four".