13947455340 has 192 divisors, whose sum is σ = 53405829120. Its totient is φ = 2942749440.

The previous prime is 13947455329. The next prime is 13947455363. The reversal of 13947455340 is 4355474931.

13947455340 is a `hidden beast` number, since 1 + 3 + 94 + 7 + 4 + 553 + 4 + 0 = 666.

It is a super-2 number, since 2×13947455340² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 92776 + ... + 191055.

It is an arithmetic number, because the mean of its divisors is an integer number (278155360).

Almost surely, 2^13947455340 is an apocalyptic number.

13947455340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13947455340 is an abundant number, since it is smaller than the sum of its proper divisors (39458373780).

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

13947455340 is a wasteful number, since it uses less digits than its factorization.

13947455340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283869 (or 283861 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 13947455340 in words is "thirteen billion, nine hundred forty-seven million, four hundred fifty-five thousand, three hundred forty".