2550500778738 has 32 divisors (see below), whose sum is σ = 5806673713152. Its totient is φ = 739275587600.

The previous prime is 2550500778737. The next prime is 2550500778823. The reversal of 2550500778738 is 8378770050552.

2550500778738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2550500778733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 840084378 + ... + 840087413.

It is an arithmetic number, because the mean of its divisors is an integer number (181458553536).

Almost surely, 2^{2550500778738} is an apocalyptic number.

2550500778738 is an abundant number, since it is smaller than the sum of its proper divisors (3256172934414).

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

2550500778738 is a wasteful number, since it uses less digits than its factorization.

2550500778738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680171830.

The product of its (nonzero) digits is 16464000, while the sum is 57.

The spelling of 2550500778738 in words is "two trillion, five hundred fifty billion, five hundred million, seven hundred seventy-eight thousand, seven hundred thirty-eight".