40813744 has 10 divisors (see below), whose sum is σ = 79076660. Its totient is φ = 20406864.

The previous prime is 40813741. The next prime is 40813769. The reversal of 40813744 is 44731804.

It is not an unprimeable number, because it can be changed into a prime (40813741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275414 + ... + 1275445.

It is an arithmetic number, because the mean of its divisors is an integer number (7907666).

Almost surely, 2^40813744 is an apocalyptic number.

It is an amenable number.

40813744 is a deficient number, since it is larger than the sum of its proper divisors (38262916).

40813744 is a wasteful number, since it uses less digits than its factorization.

40813744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550867 (or 2550861 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 40813744 is about 6388.5635318121. The cubic root of 40813744 is about 344.2987759423.

The spelling of 40813744 in words is "forty million, eight hundred thirteen thousand, seven hundred forty-four".