2549029681044 has 288 divisors, whose sum is σ = 8110817455104. Its totient is φ = 655706741760.

The previous prime is 2549029681027. The next prime is 2549029681067. The reversal of 2549029681044 is 4401869209452.

2549029681044 is a `hidden beast` number, since 2 + 549 + 0 + 2 + 96 + 8 + 1 + 0 + 4 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 539703267 + ... + 539707989.

It is an arithmetic number, because the mean of its divisors is an integer number (28162560608).

Almost surely, 2^{2549029681044} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2549029681044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4055408727552).

2549029681044 is an abundant number, since it is smaller than the sum of its proper divisors (5561787774060).

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

2549029681044 is a wasteful number, since it uses less digits than its factorization.

2549029681044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6587 (or 6582 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 2549029681044 in words is "two trillion, five hundred forty-nine billion, twenty-nine million, six hundred eighty-one thousand, forty-four".