940439808 has 720 divisors, whose sum is σ = 3798896640. Its totient is φ = 223948800.

The previous prime is 940439807. The next prime is 940439809. The reversal of 940439808 is 808934049.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (940439807) and next prime (940439809).

It is not an unprimeable number, because it can be changed into a prime (940439803) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 30336753 + ... + 30336783.

Almost surely, 2^940439808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 940439808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1899448320).

940439808 is an abundant number, since it is smaller than the sum of its proper divisors (2858456832).

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

940439808 is a wasteful number, since it uses less digits than its factorization.

940439808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 940439808 is about 30666.5910723706. The cubic root of 940439808 is about 979.7388614221.

The spelling of 940439808 in words is "nine hundred forty million, four hundred thirty-nine thousand, eight hundred eight".