940423564 has 24 divisors (see below), whose sum is σ = 1734985728. Its totient is φ = 445359120.

The previous prime is 940423511. The next prime is 940423567. The reversal of 940423564 is 465324049.

It is a happy number.

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 not an unprimeable number, because it can be changed into a prime (940423567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74854 + ... + 86509.

It is an arithmetic number, because the mean of its divisors is an integer number (72291072).

Almost surely, 2^940423564 is an apocalyptic number.

940423564 is a gapful number since it is divisible by the number (94) formed by its first and last digit.

It is an amenable number.

940423564 is a deficient number, since it is larger than the sum of its proper divisors (794562164).

940423564 is a wasteful number, since it uses less digits than its factorization.

940423564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161445 (or 161443 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 940423564 is about 30666.3262227480. The cubic root of 940423564 is about 979.7332204551.

The spelling of 940423564 in words is "nine hundred forty million, four hundred twenty-three thousand, five hundred sixty-four".