40503984 has 20 divisors (see below), whose sum is σ = 104635416. Its totient is φ = 13501312.

The previous prime is 40503973. The next prime is 40503997. The reversal of 40503984 is 48930504.

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, 421869 + ... + 421964.

Almost surely, 2^40503984 is an apocalyptic number.

It is an amenable number.

40503984 is an abundant number, since it is smaller than the sum of its proper divisors (64131432).

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

40503984 is a wasteful number, since it uses less digits than its factorization.

40503984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843844 (or 843838 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 40503984 is about 6364.2740355833. The cubic root of 40503984 is about 343.4255329932.

The spelling of 40503984 in words is "forty million, five hundred three thousand, nine hundred eighty-four".