40519924 has 12 divisors (see below), whose sum is σ = 70957348. Its totient is φ = 20246400.

The previous prime is 40519909. The next prime is 40519949. The reversal of 40519924 is 42991504.

It can be written as a sum of positive squares in 2 ways, for example, as 20539024 + 19980900 = 4532^2 + 4470^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40519924.

It is a congruent number.

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, 6604 + ... + 11164.

Almost surely, 2^40519924 is an apocalyptic number.

It is an amenable number.

40519924 is a deficient number, since it is larger than the sum of its proper divisors (30437424).

40519924 is a wasteful number, since it uses less digits than its factorization.

40519924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6786 (or 6784 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 40519924 is about 6365.5262154829. The cubic root of 40519924 is about 343.4705778217.

The spelling of 40519924 in words is "forty million, five hundred nineteen thousand, nine hundred twenty-four".