40766624 has 12 divisors (see below), whose sum is σ = 80259354. Its totient is φ = 20383296.

The previous prime is 40766617. The next prime is 40766651. The reversal of 40766624 is 42666704.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 40094224 + 672400 = 6332^2 + 820^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636947 + ... + 637010.

Almost surely, 2^40766624 is an apocalyptic number.

It is an amenable number.

40766624 is a deficient number, since it is larger than the sum of its proper divisors (39492730).

40766624 is a wasteful number, since it uses less digits than its factorization.

40766624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273967 (or 1273959 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 40766624 is about 6384.8746268036. The cubic root of 40766624 is about 344.1662257758.

The spelling of 40766624 in words is "forty million, seven hundred sixty-six thousand, six hundred twenty-four".