13534041640 has 64 divisors (see below), whose sum is σ = 35109884160. Its totient is φ = 4599168000.

The previous prime is 13534041613. The next prime is 13534041671. The reversal of 13534041640 is 4614043531.

It is a happy number.

It is a super-2 number, since 2×13534041640² (a number of 21 digits) contains 22 as substring.

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, 182236 + ... + 245515.

It is an arithmetic number, because the mean of its divisors is an integer number (548591940).

Almost surely, 2^13534041640 is an apocalyptic number.

13534041640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13534041640 is an abundant number, since it is smaller than the sum of its proper divisors (21575842520).

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

13534041640 is a wasteful number, since it uses less digits than its factorization.

13534041640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427882 (or 427878 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 13534041640 in words is "thirteen billion, five hundred thirty-four million, forty-one thousand, six hundred forty".