940042424 has 64 divisors (see below), whose sum is σ = 1919030400. Its totient is φ = 430617600.

The previous prime is 940042379. The next prime is 940042427. The reversal of 940042424 is 424240049.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (940042427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350609 + ... + 353279.

It is an arithmetic number, because the mean of its divisors is an integer number (29984850).

Almost surely, 2^940042424 is an apocalyptic number.

It is an amenable number.

940042424 is an abundant number, since it is smaller than the sum of its proper divisors (978987976).

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

940042424 is a wasteful number, since it uses less digits than its factorization.

940042424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784 (or 2780 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 940042424 is about 30660.1112848600. Note that the first 3 decimals coincide. The cubic root of 940042424 is about 979.6008453595.

The spelling of 940042424 in words is "nine hundred forty million, forty-two thousand, four hundred twenty-four".