40645896 has 16 divisors (see below), whose sum is σ = 101614800. Its totient is φ = 13548624.

The previous prime is 40645877. The next prime is 40645901. The reversal of 40645896 is 69854604.

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, 846766 + ... + 846813.

It is an arithmetic number, because the mean of its divisors is an integer number (6350925).

Almost surely, 2^40645896 is an apocalyptic number.

It is an amenable number.

40645896 is an abundant number, since it is smaller than the sum of its proper divisors (60968904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40645896 is a wasteful number, since it uses less digits than its factorization.

40645896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693588 (or 1693584 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 40645896 is about 6375.4133983609. The cubic root of 40645896 is about 343.8261470536.

The spelling of 40645896 in words is "forty million, six hundred forty-five thousand, eight hundred ninety-six".