40364656 has 10 divisors (see below), whose sum is σ = 78206552. Its totient is φ = 20182320.

The previous prime is 40364633. The next prime is 40364657. The reversal of 40364656 is 65646304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40364657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261380 + ... + 1261411.

Almost surely, 2^40364656 is an apocalyptic number.

It is an amenable number.

40364656 is a deficient number, since it is larger than the sum of its proper divisors (37841896).

40364656 is a wasteful number, since it uses less digits than its factorization.

40364656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522799 (or 2522793 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 40364656 is about 6353.3185029558. The cubic root of 40364656 is about 343.0313021268.

The spelling of 40364656 in words is "forty million, three hundred sixty-four thousand, six hundred fifty-six".