2190812626450 has 48 divisors (see below), whose sum is σ = 4663962023040. Its totient is φ = 750019576320.

The previous prime is 2190812626441. The next prime is 2190812626451. The reversal of 2190812626450 is 546262180912.

It is a self number, because there is not a number n which added to its sum of digits gives 2190812626450.

It is not an unprimeable number, because it can be changed into a prime (2190812626451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4414870 + ... + 4885969.

It is an arithmetic number, because the mean of its divisors is an integer number (97165875480).

Almost surely, 2^{2190812626450} is an apocalyptic number.

2190812626450 is an abundant number, since it is smaller than the sum of its proper divisors (2473149396590).

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

2190812626450 is a wasteful number, since it uses less digits than its factorization.

2190812626450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9301531 (or 9301526 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 2190812626450 in words is "two trillion, one hundred ninety billion, eight hundred twelve million, six hundred twenty-six thousand, four hundred fifty".