400375004 has 12 divisors (see below), whose sum is σ = 717745728. Its totient is φ = 195304800.

The previous prime is 400374959. The next prime is 400375033. The reversal of 400375004 is 400573004.

It is a super-4 number, since 4×400375004⁴ (a number of 36 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1220492 + ... + 1220819.

It is an arithmetic number, because the mean of its divisors is an integer number (59812144).

Almost surely, 2^400375004 is an apocalyptic number.

It is an amenable number.

400375004 is a deficient number, since it is larger than the sum of its proper divisors (317370724).

400375004 is a wasteful number, since it uses less digits than its factorization.

400375004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441356 (or 2441354 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 400375004 is about 20009.3729037169. The cubic root of 400375004 is about 737.0364822349.

The spelling of 400375004 in words is "four hundred million, three hundred seventy-five thousand, four".