9199452487680 has 2448 divisors, whose sum is σ = 41118251952960. Its totient is φ = 1885096378368.

The previous prime is 9199452487679. The next prime is 9199452487699. The reversal of 9199452487680 is 867842549919.

9199452487680 is a `hidden beast` number, since 9 + 1 + 9 + 94 + 52 + 487 + 6 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 9199452487599 and 9199452487608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 110836776919 + ... + 110836777001.

Almost surely, 2^{9199452487680} is an apocalyptic number.

9199452487680 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 9199452487680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20559125976480).

9199452487680 is an abundant number, since it is smaller than the sum of its proper divisors (31918799465280).

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

9199452487680 is a wasteful number, since it uses less digits than its factorization.

9199452487680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 313528320, while the sum is 72.

The spelling of 9199452487680 in words is "nine trillion, one hundred ninety-nine billion, four hundred fifty-two million, four hundred eighty-seven thousand, six hundred eighty".