40393264 has 10 divisors (see below), whose sum is σ = 78261980. Its totient is φ = 20196624.

The previous prime is 40393247. The next prime is 40393277. The reversal of 40393264 is 46239304.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262274 + ... + 1262305.

It is an arithmetic number, because the mean of its divisors is an integer number (7826198).

Almost surely, 2^40393264 is an apocalyptic number.

It is an amenable number.

40393264 is a deficient number, since it is larger than the sum of its proper divisors (37868716).

40393264 is a wasteful number, since it uses less digits than its factorization.

40393264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524587 (or 2524581 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 40393264 is about 6355.5695260142. The cubic root of 40393264 is about 343.1123228595.

The spelling of 40393264 in words is "forty million, three hundred ninety-three thousand, two hundred sixty-four".