424140636 has 24 divisors (see below), whose sum is σ = 1021586944. Its totient is φ = 136819440.

The previous prime is 424140601. The next prime is 424140649. The reversal of 424140636 is 636041424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569710 + ... + 570453.

Almost surely, 2^424140636 is an apocalyptic number.

It is an amenable number.

424140636 is an abundant number, since it is smaller than the sum of its proper divisors (597446308).

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

424140636 is a wasteful number, since it uses less digits than its factorization.

424140636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1140201 (or 1140199 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 424140636 is about 20594.6749428099. The cubic root of 424140636 is about 751.3402028265.

The spelling of 424140636 in words is "four hundred twenty-four million, one hundred forty thousand, six hundred thirty-six".