12898605240 has 448 divisors, whose sum is σ = 47343513600. Its totient is φ = 3149280000.

The previous prime is 12898605233. The next prime is 12898605253. The reversal of 12898605240 is 4250689821.

12898605240 is a `hidden beast` number, since 12 + 8 + 9 + 8 + 605 + 24 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 17174865 + ... + 17175615.

Almost surely, 2^12898605240 is an apocalyptic number.

12898605240 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 12898605240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23671756800).

12898605240 is an abundant number, since it is smaller than the sum of its proper divisors (34444908360).

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

12898605240 is a wasteful number, since it uses less digits than its factorization.

12898605240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 12898605240 in words is "twelve billion, eight hundred ninety-eight million, six hundred five thousand, two hundred forty".