940438456 has 24 divisors (see below), whose sum is σ = 1775997720. Its totient is φ = 466846448.

The previous prime is 940438451. The next prime is 940438469. The reversal of 940438456 is 654834049.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940438451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1120485 + ... + 1121323.

It is an arithmetic number, because the mean of its divisors is an integer number (73999905).

Almost surely, 2^940438456 is an apocalyptic number.

It is an amenable number.

940438456 is a deficient number, since it is larger than the sum of its proper divisors (835559264).

940438456 is an equidigital number, since it uses as much as digits as its factorization.

940438456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The square root of 940438456 is about 30666.5690288301. The cubic root of 940438456 is about 979.7383919228.

The spelling of 940438456 in words is "nine hundred forty million, four hundred thirty-eight thousand, four hundred fifty-six".