40339788 has 24 divisors (see below), whose sum is σ = 95670960. Its totient is φ = 13225920.

The previous prime is 40339763. The next prime is 40339853. The reversal of 40339788 is 88793304.

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, 26823 + ... + 28286.

It is an arithmetic number, because the mean of its divisors is an integer number (3986290).

Almost surely, 2^40339788 is an apocalyptic number.

It is an amenable number.

40339788 is an abundant number, since it is smaller than the sum of its proper divisors (55331172).

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

40339788 is a wasteful number, since it uses less digits than its factorization.

40339788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55177 (or 55175 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 40339788 is about 6351.3611139660. The cubic root of 40339788 is about 342.9608423425.

The spelling of 40339788 in words is "forty million, three hundred thirty-nine thousand, seven hundred eighty-eight".