40255607 has 12 divisors (see below), whose sum is σ = 46931976. Its totient is φ = 34428240.

The previous prime is 40255603. The next prime is 40255613. The reversal of 40255607 is 70655204.

It is not a de Polignac number, because 40255607 - 2² = 40255603 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 40255607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40255601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39233 + ... + 40245.

It is an arithmetic number, because the mean of its divisors is an integer number (3910998).

Almost surely, 2^40255607 is an apocalyptic number.

40255607 is a deficient number, since it is larger than the sum of its proper divisors (6676369).

40255607 is a wasteful number, since it uses less digits than its factorization.

40255607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1838 (or 1831 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 40255607 is about 6344.7306483412. The cubic root of 40255607 is about 342.7221128406.

The spelling of 40255607 in words is "forty million, two hundred fifty-five thousand, six hundred seven".