2499666874880 has 80 divisors (see below), whose sum is σ = 6849533655360. Its totient is φ = 857028636672.

The previous prime is 2499666874877. The next prime is 2499666874883. The reversal of 2499666874880 is 884786669942.

It is an interprime number because it is at equal distance from previous prime (2499666874877) and next prime (2499666874883).

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (2499666874883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69727250 + ... + 69763089.

It is an arithmetic number, because the mean of its divisors is an integer number (85619170692).

Almost surely, 2^{2499666874880} is an apocalyptic number.

2499666874880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2499666874880 is an abundant number, since it is smaller than the sum of its proper divisors (4349866780480).

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

2499666874880 is an equidigital number, since it uses as much as digits as its factorization.

2499666874880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139490369 (or 139490353 counting only the distinct ones).

The product of its (nonzero) digits is 2006581248, while the sum is 77.

The spelling of 2499666874880 in words is "two trillion, four hundred ninety-nine billion, six hundred sixty-six million, eight hundred seventy-four thousand, eight hundred eighty".