40488764 has 24 divisors (see below), whose sum is σ = 75983040. Its totient is φ = 18809856.

The previous prime is 40488731. The next prime is 40488797. The reversal of 40488764 is 46788404.

It is an interprime number because it is at equal distance from previous prime (40488731) and next prime (40488797).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1604 + ... + 9140.

It is an arithmetic number, because the mean of its divisors is an integer number (3165960).

Almost surely, 2^40488764 is an apocalyptic number.

It is an amenable number.

40488764 is a deficient number, since it is larger than the sum of its proper divisors (35494276).

40488764 is a wasteful number, since it uses less digits than its factorization.

40488764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7637 (or 7635 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 40488764 is about 6363.0781859097. The cubic root of 40488764 is about 343.3825117812.

The spelling of 40488764 in words is "forty million, four hundred eighty-eight thousand, seven hundred sixty-four".