2640254695600 has 60 divisors (see below), whose sum is σ = 6406016082480. Its totient is φ = 1045645408000.

The previous prime is 2640254695541. The next prime is 2640254695601. The reversal of 2640254695600 is 65964520462.

It is not an unprimeable number, because it can be changed into a prime (2640254695601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32636020 + ... + 32716819.

It is an arithmetic number, because the mean of its divisors is an integer number (106766934708).

Almost surely, 2^{2640254695600} is an apocalyptic number.

2640254695600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2640254695600 is an abundant number, since it is smaller than the sum of its proper divisors (3765761386880).

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

2640254695600 is a wasteful number, since it uses less digits than its factorization.

2640254695600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65352958 (or 65352947 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 49.

The spelling of 2640254695600 in words is "two trillion, six hundred forty billion, two hundred fifty-four million, six hundred ninety-five thousand, six hundred".