2557750378074 has 32 divisors (see below), whose sum is σ = 5193642041280. Its totient is φ = 839656027392.

The previous prime is 2557750378039. The next prime is 2557750378109. The reversal of 2557750378074 is 4708730577552.

It is an interprime number because it is at equal distance from previous prime (2557750378039) and next prime (2557750378109).

It is a junction number, because it is equal to n+sod(n) for n = 2557750377999 and 2557750378017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11907864 + ... + 12120755.

It is an arithmetic number, because the mean of its divisors is an integer number (162301313790).

Almost surely, 2^{2557750378074} is an apocalyptic number.

2557750378074 is an abundant number, since it is smaller than the sum of its proper divisors (2635891663206).

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

2557750378074 is a wasteful number, since it uses less digits than its factorization.

2557750378074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24028894.

The product of its (nonzero) digits is 57624000, while the sum is 60.

The spelling of 2557750378074 in words is "two trillion, five hundred fifty-seven billion, seven hundred fifty million, three hundred seventy-eight thousand, seventy-four".