40688275 has 12 divisors (see below), whose sum is σ = 52081984. Its totient is φ = 31500000.

The previous prime is 40688251. The next prime is 40688287. The reversal of 40688275 is 57288604.

It is not a de Polignac number, because 40688275 - 2⁷ = 40688147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25476 + ... + 27025.

Almost surely, 2^40688275 is an apocalyptic number.

40688275 is a deficient number, since it is larger than the sum of its proper divisors (11393709).

40688275 is a wasteful number, since it uses less digits than its factorization.

40688275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52542 (or 52537 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 40688275 is about 6378.7361600869. The cubic root of 40688275 is about 343.9456010744.

The spelling of 40688275 in words is "forty million, six hundred eighty-eight thousand, two hundred seventy-five".