40762664 has 8 divisors (see below), whose sum is σ = 76430010. Its totient is φ = 20381328.

The previous prime is 40762639. The next prime is 40762697. The reversal of 40762664 is 46626704.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 30713764 + 10048900 = 5542^2 + 3170^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2547659 + ... + 2547674.

Almost surely, 2^40762664 is an apocalyptic number.

It is an amenable number.

40762664 is a deficient number, since it is larger than the sum of its proper divisors (35667346).

40762664 is a wasteful number, since it uses less digits than its factorization.

40762664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5095339 (or 5095335 counting only the distinct ones).

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

The square root of 40762664 is about 6384.5645113821. The cubic root of 40762664 is about 344.1550815091.

The spelling of 40762664 in words is "forty million, seven hundred sixty-two thousand, six hundred sixty-four".