2640415612000 has 96 divisors (see below), whose sum is σ = 6488032430880. Its totient is φ = 1056079756800.

The previous prime is 2640415611979. The next prime is 2640415612001. The reversal of 2640415612000 is 2165140462.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640415612001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74530291 + ... + 74565709.

It is an arithmetic number, because the mean of its divisors is an integer number (67583671155).

Almost surely, 2^{2640415612000} is an apocalyptic number.

2640415612000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2640415612000 is an abundant number, since it is smaller than the sum of its proper divisors (3847616818880).

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

2640415612000 is a wasteful number, since it uses less digits than its factorization.

2640415612000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54081 (or 54063 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 2640415612000 in words is "two trillion, six hundred forty billion, four hundred fifteen million, six hundred twelve thousand".