13980526540 has 24 divisors (see below), whose sum is σ = 30635589600. Its totient is φ = 5349070848.

The previous prime is 13980526529. The next prime is 13980526541. The reversal of 13980526540 is 4562508931.

It is not an unprimeable number, because it can be changed into a prime (13980526541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15195765 + ... + 15196684.

It is an arithmetic number, because the mean of its divisors is an integer number (1276482900).

Almost surely, 2^13980526540 is an apocalyptic number.

13980526540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13980526540 is an abundant number, since it is smaller than the sum of its proper divisors (16655063060).

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

13980526540 is a wasteful number, since it uses less digits than its factorization.

13980526540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30392481 (or 30392479 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 13980526540 in words is "thirteen billion, nine hundred eighty million, five hundred twenty-six thousand, five hundred forty".