2660115450400 has 72 divisors (see below), whose sum is σ = 6496958949264. Its totient is φ = 1063562476800.

The previous prime is 2660115450383. The next prime is 2660115450457. The reversal of 2660115450400 is 40545110662.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1007715 + ... + 2517085.

It is an arithmetic number, because the mean of its divisors is an integer number (90235540962).

Almost surely, 2^{2660115450400} is an apocalyptic number.

2660115450400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2660115450400 is an abundant number, since it is smaller than the sum of its proper divisors (3836843498864).

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

2660115450400 is a wasteful number, since it uses less digits than its factorization.

2660115450400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511594 (or 1511581 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 2660115450400 in words is "two trillion, six hundred sixty billion, one hundred fifteen million, four hundred fifty thousand, four hundred".