40506896 has 20 divisors (see below), whose sum is σ = 78622572. Its totient is φ = 20217216.

The previous prime is 40506889. The next prime is 40506911. The reversal of 40506896 is 69860504.

It can be written as a sum of positive squares in 2 ways, for example, as 9859600 + 30647296 = 3140^2 + 5536^2 .

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, 8510 + ... + 12386.

Almost surely, 2^40506896 is an apocalyptic number.

It is an amenable number.

40506896 is a deficient number, since it is larger than the sum of its proper divisors (38115676).

40506896 is a wasteful number, since it uses less digits than its factorization.

40506896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4538 (or 4532 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 40506896 is about 6364.5028085468. The cubic root of 40506896 is about 343.4337628930.

The spelling of 40506896 in words is "forty million, five hundred six thousand, eight hundred ninety-six".