13455273940 has 12 divisors (see below), whose sum is σ = 28256075316. Its totient is φ = 5382109568.

The previous prime is 13455273901. The next prime is 13455274003. The reversal of 13455273940 is 4937255431.

It can be written as a sum of positive squares in 2 ways, for example, as 5021423044 + 8433850896 = 70862^2 + 91836^2 .

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, 336381829 + ... + 336381868.

It is an arithmetic number, because the mean of its divisors is an integer number (2354672943).

Almost surely, 2^13455273940 is an apocalyptic number.

13455273940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13455273940 is an abundant number, since it is smaller than the sum of its proper divisors (14800801376).

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

13455273940 is a wasteful number, since it uses less digits than its factorization.

13455273940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672763706 (or 672763704 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 13455273940 in words is "thirteen billion, four hundred fifty-five million, two hundred seventy-three thousand, nine hundred forty".