2665412890000 has 100 divisors (see below), whose sum is σ = 7375121505664. Its totient is φ = 913855824000.

The previous prime is 2665412889989. The next prime is 2665412890001. The reversal of 2665412890000 is 982145662.

2665412890000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (100).

It is not an unprimeable number, because it can be changed into a prime (2665412890001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18968664 + ... + 19108663.

Almost surely, 2^{2665412890000} is an apocalyptic number.

2665412890000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2665412890000 is an abundant number, since it is smaller than the sum of its proper divisors (4709708615664).

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

2665412890000 is an equidigital number, since it uses as much as digits as its factorization.

2665412890000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38077362 (or 38077341 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 2665412890000 in words is "two trillion, six hundred sixty-five billion, four hundred twelve million, eight hundred ninety thousand".