40624761 has 8 divisors (see below), whose sum is σ = 54378144. Its totient is φ = 26977280.

The previous prime is 40624741. The next prime is 40624769. The reversal of 40624761 is 16742604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40624761 - 2⁶ = 40624697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40624769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25575 + ... + 27116.

It is an arithmetic number, because the mean of its divisors is an integer number (6797268).

Almost surely, 2^40624761 is an apocalyptic number.

It is an amenable number.

40624761 is a deficient number, since it is larger than the sum of its proper divisors (13753383).

40624761 is a wasteful number, since it uses less digits than its factorization.

40624761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52951.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 40624761 is about 6373.7556432609. The cubic root of 40624761 is about 343.7665426309.

The spelling of 40624761 in words is "forty million, six hundred twenty-four thousand, seven hundred sixty-one".