40437424 has 20 divisors (see below), whose sum is σ = 82956744. Its totient is φ = 19029248.

The previous prime is 40437403. The next prime is 40437431. The reversal of 40437424 is 42473404.

It is a junction number, because it is equal to n+sod(n) for n = 40437392 and 40437401.

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, 74062 + ... + 74605.

Almost surely, 2^40437424 is an apocalyptic number.

It is an amenable number.

40437424 is an abundant number, since it is smaller than the sum of its proper divisors (42519320).

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

40437424 is a wasteful number, since it uses less digits than its factorization.

40437424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148692 (or 148686 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 40437424 is about 6359.0426952490. The cubic root of 40437424 is about 343.2373133524.

The spelling of 40437424 in words is "forty million, four hundred thirty-seven thousand, four hundred twenty-four".