14699478640 has 120 divisors (see below), whose sum is σ = 43370407152. Its totient is φ = 4581642240.

The previous prime is 14699478613. The next prime is 14699478667. The reversal of 14699478640 is 4687499641.

It is an interprime number because it is at equal distance from previous prime (14699478613) and next prime (14699478667).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127329 + ... + 213568.

Almost surely, 2^14699478640 is an apocalyptic number.

14699478640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14699478640 is an abundant number, since it is smaller than the sum of its proper divisors (28670928512).

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

14699478640 is a wasteful number, since it uses less digits than its factorization.

14699478640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340935 (or 340922 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 58.

The spelling of 14699478640 in words is "fourteen billion, six hundred ninety-nine million, four hundred seventy-eight thousand, six hundred forty".