400250604 has 24 divisors (see below), whose sum is σ = 1005758320. Its totient is φ = 123153984.

The previous prime is 400250603. The next prime is 400250621. The reversal of 400250604 is 406052004.

It is a happy number.

It is a super-5 number, since 5×400250604⁵ (a number of 44 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (400250603) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1282699 + ... + 1283010.

Almost surely, 2^400250604 is an apocalyptic number.

It is an amenable number.

400250604 is an abundant number, since it is smaller than the sum of its proper divisors (605507716).

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

400250604 is a wasteful number, since it uses less digits than its factorization.

400250604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565729 (or 2565727 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 400250604 is about 20006.2641190203. The cubic root of 400250604 is about 736.9601397767.

The spelling of 400250604 in words is "four hundred million, two hundred fifty thousand, six hundred four".