9902459023560 has 192 divisors, whose sum is σ = 32291500176000. Its totient is φ = 2631766007808.

The previous prime is 9902459023559. The next prime is 9902459023601. The reversal of 9902459023560 is 653209542099.

It is a happy number.

9902459023560 is a `hidden beast` number, since 9 + 9 + 0 + 2 + 4 + 59 + 0 + 23 + 560 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 9902459023497 and 9902459023506.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 143340147 + ... + 143409213.

It is an arithmetic number, because the mean of its divisors is an integer number (168184896750).

Almost surely, 2^{9902459023560} is an apocalyptic number.

9902459023560 is a gapful number since it is divisible by the number (90) 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 9902459023560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16145750088000).

9902459023560 is an abundant number, since it is smaller than the sum of its proper divisors (22389041152440).

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

9902459023560 is a wasteful number, since it uses less digits than its factorization.

9902459023560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70420 (or 70413 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 54.

The spelling of 9902459023560 in words is "nine trillion, nine hundred two billion, four hundred fifty-nine million, twenty-three thousand, five hundred sixty".