40645496 has 8 divisors (see below), whose sum is σ = 76210320. Its totient is φ = 20322744.

The previous prime is 40645481. The next prime is 40645519. The reversal of 40645496 is 69454604.

It is a happy number.

40645496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2540336 + ... + 2540351.

It is an arithmetic number, because the mean of its divisors is an integer number (9526290).

Almost surely, 2^40645496 is an apocalyptic number.

It is an amenable number.

40645496 is a deficient number, since it is larger than the sum of its proper divisors (35564824).

40645496 is a wasteful number, since it uses less digits than its factorization.

40645496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5080693 (or 5080689 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 40645496 is about 6375.3820277690. The cubic root of 40645496 is about 343.8250191750.

The spelling of 40645496 in words is "forty million, six hundred forty-five thousand, four hundred ninety-six".