40813756 has 24 divisors (see below), whose sum is σ = 72712080. Its totient is φ = 20042112.

The previous prime is 40813741. The next prime is 40813769. The reversal of 40813756 is 65731804.

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, 89080 + ... + 89536.

It is an arithmetic number, because the mean of its divisors is an integer number (3029670).

Almost surely, 2^40813756 is an apocalyptic number.

It is an amenable number.

40813756 is a deficient number, since it is larger than the sum of its proper divisors (31898324).

40813756 is a wasteful number, since it uses less digits than its factorization.

40813756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 40813756 is about 6388.5644709903. The cubic root of 40813756 is about 344.2988096857.

The spelling of 40813756 in words is "forty million, eight hundred thirteen thousand, seven hundred fifty-six".