2748592620544 has 99 divisors (see below), whose sum is σ = 5559416122143. Its totient is φ = 1358247954432.

The previous prime is 2748592620541. The next prime is 2748592620589. The reversal of 2748592620544 is 4450262958472.

The square root of 2748592620544 is 1657888.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×2748592620544² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2748592620541) 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 8 ways as a sum of consecutive naturals, for example, 5464398597 + ... + 5464399099.

Almost surely, 2^{2748592620544} is an apocalyptic number.

2748592620544 is the 1657888-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2748592620544

2748592620544 is an abundant number, since it is smaller than the sum of its proper divisors (2810823501599).

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

2748592620544 is an frugal number, since it uses more digits than its factorization.

2748592620544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 58.

The spelling of 2748592620544 in words is "two trillion, seven hundred forty-eight billion, five hundred ninety-two million, six hundred twenty thousand, five hundred forty-four".