40838284 has 24 divisors (see below), whose sum is σ = 78115968. Its totient is φ = 18597120.

The previous prime is 40838279. The next prime is 40838323. The reversal of 40838284 is 48283804.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 7579 + ... + 11794.

It is an arithmetic number, because the mean of its divisors is an integer number (3254832).

Almost surely, 2^40838284 is an apocalyptic number.

It is an amenable number.

40838284 is a deficient number, since it is larger than the sum of its proper divisors (37277684).

40838284 is a wasteful number, since it uses less digits than its factorization.

40838284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19425 (or 19423 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 37.

The square root of 40838284 is about 6390.4838627447. The cubic root of 40838284 is about 344.3677674005.

The spelling of 40838284 in words is "forty million, eight hundred thirty-eight thousand, two hundred eighty-four".