2549492417780 has 48 divisors (see below), whose sum is σ = 6675034697856. Its totient is φ = 794646986880.

The previous prime is 2549492417767. The next prime is 2549492417783. The reversal of 2549492417780 is 877142949452.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2549492417783) 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 15 ways as a sum of consecutive naturals, for example, 827755739 + ... + 827758818.

It is an arithmetic number, because the mean of its divisors is an integer number (139063222872).

Almost surely, 2^{2549492417780} is an apocalyptic number.

2549492417780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2549492417780 is an abundant number, since it is smaller than the sum of its proper divisors (4125542280076).

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

2549492417780 is a wasteful number, since it uses less digits than its factorization.

2549492417780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655514584 (or 1655514582 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 62.

The spelling of 2549492417780 in words is "two trillion, five hundred forty-nine billion, four hundred ninety-two million, four hundred seventeen thousand, seven hundred eighty".