2555791232742 has 96 divisors (see below), whose sum is σ = 6325524092160. Its totient is φ = 766962781920.

The previous prime is 2555791232641. The next prime is 2555791232747. The reversal of 2555791232742 is 2472321975552.

2555791232742 is a `hidden beast` number, since 2 + 5 + 5 + 579 + 1 + 2 + 3 + 27 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555791232747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1770117 + ... + 2871392.

It is an arithmetic number, because the mean of its divisors is an integer number (65890875960).

Almost surely, 2^{2555791232742} is an apocalyptic number.

2555791232742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2555791232742 is an abundant number, since it is smaller than the sum of its proper divisors (3769732859418).

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

2555791232742 is a wasteful number, since it uses less digits than its factorization.

2555791232742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4641640 (or 4641628 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 54.

The spelling of 2555791232742 in words is "two trillion, five hundred fifty-five billion, seven hundred ninety-one million, two hundred thirty-two thousand, seven hundred forty-two".