2051022451450 has 72 divisors (see below), whose sum is σ = 4440030133500. Its totient is φ = 702845256960.

The previous prime is 2051022451411. The next prime is 2051022451487. The reversal of 2051022451450 is 541542201502.

It can be written as a sum of positive squares in 6 ways, for example, as 1067198500809 + 983823950641 = 1033053^2 + 991879^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4560286 + ... + 4989814.

Almost surely, 2^{2051022451450} is an apocalyptic number.

2051022451450 is an abundant number, since it is smaller than the sum of its proper divisors (2389007682050).

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

2051022451450 is a wasteful number, since it uses less digits than its factorization.

2051022451450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431504 (or 431492 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 2051022451450 its reverse (541542201502), we get a palindrome (2592564652952).

The spelling of 2051022451450 in words is "two trillion, fifty-one billion, twenty-two million, four hundred fifty-one thousand, four hundred fifty".