40279264 has 24 divisors (see below), whose sum is σ = 80196480. Its totient is φ = 19911936.

The previous prime is 40279249. The next prime is 40279271. The reversal of 40279264 is 46297204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4224 + ... + 9919.

It is an arithmetic number, because the mean of its divisors is an integer number (3341520).

Almost surely, 2^40279264 is an apocalyptic number.

It is an amenable number.

40279264 is a deficient number, since it is larger than the sum of its proper divisors (39917216).

40279264 is a wasteful number, since it uses less digits than its factorization.

40279264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14242 (or 14234 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 40279264 is about 6346.5946774629. The cubic root of 40279264 is about 342.7892354927.

The spelling of 40279264 in words is "forty million, two hundred seventy-nine thousand, two hundred sixty-four".