40338492 has 24 divisors (see below), whose sum is σ = 94255056. Its totient is φ = 13427328.

The previous prime is 40338479. The next prime is 40338503. The reversal of 40338492 is 29483304.

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, 8608 + ... + 12440.

It is an arithmetic number, because the mean of its divisors is an integer number (3927294).

Almost surely, 2^40338492 is an apocalyptic number.

It is an amenable number.

40338492 is an abundant number, since it is smaller than the sum of its proper divisors (53916564).

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

40338492 is a wasteful number, since it uses less digits than its factorization.

40338492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4717 (or 4715 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 40338492 is about 6351.2590877715. The cubic root of 40338492 is about 342.9571695253.

The spelling of 40338492 in words is "forty million, three hundred thirty-eight thousand, four hundred ninety-two".