400247116 has 24 divisors (see below), whose sum is σ = 744901920. Its totient is φ = 187521792.

The previous prime is 400247077. The next prime is 400247137. The reversal of 400247116 is 611742004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2721 + ... + 28423.

It is an arithmetic number, because the mean of its divisors is an integer number (31037580).

Almost surely, 2^400247116 is an apocalyptic number.

It is an amenable number.

400247116 is a deficient number, since it is larger than the sum of its proper divisors (344654804).

400247116 is a wasteful number, since it uses less digits than its factorization.

400247116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25953 (or 25951 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 400247116 is about 20006.1769461334. The cubic root of 400247116 is about 736.9579990142.

The spelling of 400247116 in words is "four hundred million, two hundred forty-seven thousand, one hundred sixteen".