13898554560 has 224 divisors, whose sum is σ = 53488742400. Its totient is φ = 3369323520.

The previous prime is 13898554543. The next prime is 13898554583. The reversal of 13898554560 is 6545589831.

13898554560 is a `hidden beast` number, since 1 + 3 + 8 + 98 + 5 + 545 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 13898554497 and 13898554506.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21921 + ... + 168159.

Almost surely, 2^13898554560 is an apocalyptic number.

13898554560 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 13898554560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26744371200).

13898554560 is an abundant number, since it is smaller than the sum of its proper divisors (39590187840).

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

13898554560 is a wasteful number, since it uses less digits than its factorization.

13898554560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146276 (or 146260 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 54.

The spelling of 13898554560 in words is "thirteen billion, eight hundred ninety-eight million, five hundred fifty-four thousand, five hundred sixty".