400755875 has 64 divisors (see below), whose sum is σ = 580245120. Its totient is φ = 273715200.

The previous prime is 400755871. The next prime is 400755881. The reversal of 400755875 is 578557004.

It is not a de Polignac number, because 400755875 - 2² = 400755871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400755871) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2458544 + ... + 2458706.

It is an arithmetic number, because the mean of its divisors is an integer number (9066330).

Almost surely, 2^400755875 is an apocalyptic number.

400755875 is a deficient number, since it is larger than the sum of its proper divisors (179489245).

400755875 is a wasteful number, since it uses less digits than its factorization.

400755875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 41.

The square root of 400755875 is about 20018.8879561278. The cubic root of 400755875 is about 737.2701189110.

The spelling of 400755875 in words is "four hundred million, seven hundred fifty-five thousand, eight hundred seventy-five".