2251552450650 has 48 divisors (see below), whose sum is σ = 5616126732384. Its totient is φ = 596943378880.

The previous prime is 2251552450643. The next prime is 2251552450661. The reversal of 2251552450650 is 560542551522.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43356564 + ... + 43408463.

It is an arithmetic number, because the mean of its divisors is an integer number (117002640258).

Almost surely, 2^{2251552450650} is an apocalyptic number.

2251552450650 is an abundant number, since it is smaller than the sum of its proper divisors (3364574281734).

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

2251552450650 is a wasteful number, since it uses less digits than its factorization.

2251552450650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86765215 (or 86765210 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 42.

The spelling of 2251552450650 in words is "two trillion, two hundred fifty-one billion, five hundred fifty-two million, four hundred fifty thousand, six hundred fifty".