2245515205640 has 64 divisors (see below), whose sum is σ = 5807558856960. Its totient is φ = 765440674560.

The previous prime is 2245515205573. The next prime is 2245515205667. The reversal of 2245515205640 is 465025155422.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23129876 + ... + 23226755.

It is an arithmetic number, because the mean of its divisors is an integer number (90743107140).

Almost surely, 2^{2245515205640} is an apocalyptic number.

2245515205640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2245515205640 is an abundant number, since it is smaller than the sum of its proper divisors (3562043651320).

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

2245515205640 is a wasteful number, since it uses less digits than its factorization.

2245515205640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46356822 (or 46356818 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 2245515205640 in words is "two trillion, two hundred forty-five billion, five hundred fifteen million, two hundred five thousand, six hundred forty".