40838072 has 16 divisors (see below), whose sum is σ = 83532600. Its totient is φ = 18562720.

The previous prime is 40838053. The next prime is 40838081. The reversal of 40838072 is 27083804.

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, 231947 + ... + 232122.

Almost surely, 2^40838072 is an apocalyptic number.

It is an amenable number.

40838072 is an abundant number, since it is smaller than the sum of its proper divisors (42694528).

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

40838072 is a wasteful number, since it uses less digits than its factorization.

40838072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464086 (or 464082 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 40838072 is about 6390.4672755597. The cubic root of 40838072 is about 344.3671715046.

The spelling of 40838072 in words is "forty million, eight hundred thirty-eight thousand, seventy-two".