13997948580 has 1440 divisors, whose sum is σ = 63070140672. Its totient is φ = 2554675200.

The previous prime is 13997948551. The next prime is 13997948593. The reversal of 13997948580 is 8584979931.

13997948580 is a `hidden beast` number, since 1 + 3 + 9 + 9 + 7 + 9 + 48 + 580 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 341413360 + ... + 341413400.

Almost surely, 2^13997948580 is an apocalyptic number.

13997948580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13997948580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31535070336).

13997948580 is an abundant number, since it is smaller than the sum of its proper divisors (49072192092).

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

13997948580 is a wasteful number, since it uses less digits than its factorization.

13997948580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 63.

The spelling of 13997948580 in words is "thirteen billion, nine hundred ninety-seven million, nine hundred forty-eight thousand, five hundred eighty".