640095375 has 32 divisors (see below), whose sum is σ = 1093929408. Its totient is φ = 332150400.

The previous prime is 640095361. The next prime is 640095473. The reversal of 640095375 is 573590046.

It is not a de Polignac number, because 640095375 - 2⁶ = 640095311 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9192 + ... + 36941.

It is an arithmetic number, because the mean of its divisors is an integer number (34185294).

Almost surely, 2^640095375 is an apocalyptic number.

640095375 is a deficient number, since it is larger than the sum of its proper divisors (453834033).

640095375 is a wasteful number, since it uses less digits than its factorization.

640095375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46188 (or 46178 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 640095375 is about 25300.1062250734. The cubic root of 640095375 is about 861.8166820549.

The spelling of 640095375 in words is "six hundred forty million, ninety-five thousand, three hundred seventy-five".