40659475 has 6 divisors (see below), whose sum is σ = 50417780. Its totient is φ = 32527560.

The previous prime is 40659473. The next prime is 40659491. The reversal of 40659475 is 57495604.

It is not a de Polignac number, because 40659475 - 2¹ = 40659473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40659473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 813165 + ... + 813214.

Almost surely, 2^40659475 is an apocalyptic number.

40659475 is a deficient number, since it is larger than the sum of its proper divisors (9758305).

40659475 is a wasteful number, since it uses less digits than its factorization.

40659475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626389 (or 1626384 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 40659475 is about 6376.4782599802. The cubic root of 40659475 is about 343.8644313241.

The spelling of 40659475 in words is "forty million, six hundred fifty-nine thousand, four hundred seventy-five".