940426388 has 12 divisors (see below), whose sum is σ = 1795359552. Its totient is φ = 427466520.

The previous prime is 940426363. The next prime is 940426393. The reversal of 940426388 is 883624049.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 21373327 = 940426388 / (9 + 4 + 0 + 4 + 2 + 6 + 3 + 8 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10686620 + ... + 10686707.

It is an arithmetic number, because the mean of its divisors is an integer number (149613296).

Almost surely, 2^940426388 is an apocalyptic number.

It is an amenable number.

940426388 is a deficient number, since it is larger than the sum of its proper divisors (854933164).

940426388 is a wasteful number, since it uses less digits than its factorization.

940426388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21373342 (or 21373340 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 940426388 is about 30666.3722667028. The cubic root of 940426388 is about 979.7342011352.

The spelling of 940426388 in words is "nine hundred forty million, four hundred twenty-six thousand, three hundred eighty-eight".