2649548544 has 72 divisors (see below), whose sum is σ = 7215745152. Its totient is φ = 862632960.

The previous prime is 2649548533. The next prime is 2649548557. The reversal of 2649548544 is 4458459462.

2649548544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7092 + ... + 73139.

Almost surely, 2^2649548544 is an apocalyptic number.

2649548544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2649548544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3607872576).

2649548544 is an abundant number, since it is smaller than the sum of its proper divisors (4566196608).

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

2649548544 is an equidigital number, since it uses as much as digits as its factorization.

2649548544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80293 (or 80279 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 51.

The square root of 2649548544 is about 51473.7655898614. The cubic root of 2649548544 is about 1383.7489158822.

The spelling of 2649548544 in words is "two billion, six hundred forty-nine million, five hundred forty-eight thousand, five hundred forty-four".