400070404 has 12 divisors (see below), whose sum is σ = 702514764. Its totient is φ = 199351904.

The previous prime is 400070371. The next prime is 400070417. The reversal of 400070404 is 404070004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 364046400 + 36024004 = 19080^2 + 6002^2 .

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, 169507 + ... + 171850.

It is an arithmetic number, because the mean of its divisors is an integer number (58542897).

Almost surely, 2^400070404 is an apocalyptic number.

It is an amenable number.

400070404 is a deficient number, since it is larger than the sum of its proper divisors (302444360).

400070404 is a wasteful number, since it uses less digits than its factorization.

400070404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341654 (or 341652 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 400070404 is about 20001.7600225580. The cubic root of 400070404 is about 736.8495256177.

The spelling of 400070404 in words is "four hundred million, seventy thousand, four hundred four".