2499830161920 has 1440 divisors, whose sum is σ = 11003145753600. Its totient is φ = 519791247360.

The previous prime is 2499830161919. The next prime is 2499830161963. The reversal of 2499830161920 is 291610389942.

2499830161920 is a `hidden beast` number, since 2 + 499 + 8 + 3 + 0 + 1 + 61 + 92 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1440).

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, 1042028881 + ... + 1042031279.

It is an arithmetic number, because the mean of its divisors is an integer number (7641073440).

Almost surely, 2^{2499830161920} is an apocalyptic number.

2499830161920 is a gapful number since it is divisible by the number (20) 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 2499830161920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5501572876800).

2499830161920 is an abundant number, since it is smaller than the sum of its proper divisors (8503315591680).

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

2499830161920 is a wasteful number, since it uses less digits than its factorization.

2499830161920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526 (or 2500 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The spelling of 2499830161920 in words is "two trillion, four hundred ninety-nine billion, eight hundred thirty million, one hundred sixty-one thousand, nine hundred twenty".