14391983940 has 48 divisors (see below), whose sum is σ = 40544806848. Its totient is φ = 3814314624.

The previous prime is 14391983939. The next prime is 14391983971. The reversal of 14391983940 is 4938919341.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 726007 + ... + 745566.

It is an arithmetic number, because the mean of its divisors is an integer number (844683476).

Almost surely, 2^14391983940 is an apocalyptic number.

14391983940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14391983940 is an abundant number, since it is smaller than the sum of its proper divisors (26152822908).

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

14391983940 is a wasteful number, since it uses less digits than its factorization.

14391983940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471748 (or 1471746 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 51.

The spelling of 14391983940 in words is "fourteen billion, three hundred ninety-one million, nine hundred eighty-three thousand, nine hundred forty".