9880156915200 has 1920 divisors, whose sum is σ = 43986184704000. Its totient is φ = 2139291648000.

The previous prime is 9880156915199. The next prime is 9880156915217. The reversal of 9880156915200 is 25196510889.

It is a tau number, because it is divible by the number of its divisors (1920).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1532041576 + ... + 1532048024.

It is an arithmetic number, because the mean of its divisors is an integer number (22909471200).

Almost surely, 2^{9880156915200} is an apocalyptic number.

9880156915200 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 9880156915200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21993092352000).

9880156915200 is an abundant number, since it is smaller than the sum of its proper divisors (34106027788800).

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

9880156915200 is a wasteful number, since it uses less digits than its factorization.

9880156915200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6541 (or 6514 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 54.

The spelling of 9880156915200 in words is "nine trillion, eight hundred eighty billion, one hundred fifty-six million, nine hundred fifteen thousand, two hundred".