400269616 has 40 divisors (see below), whose sum is σ = 790733120. Its totient is φ = 196245504.

The previous prime is 400269601. The next prime is 400269619. The reversal of 400269616 is 616962004.

It is not an unprimeable number, because it can be changed into a prime (400269619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197440 + ... + 199456.

It is an arithmetic number, because the mean of its divisors is an integer number (19768328).

Almost surely, 2^400269616 is an apocalyptic number.

It is an amenable number.

400269616 is a deficient number, since it is larger than the sum of its proper divisors (390463504).

400269616 is a wasteful number, since it uses less digits than its factorization.

400269616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2261 (or 2255 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 400269616 is about 20006.7392645578. The cubic root of 400269616 is about 736.9718081866.

The spelling of 400269616 in words is "four hundred million, two hundred sixty-nine thousand, six hundred sixteen".