2700049644 has 72 divisors (see below), whose sum is σ = 7192610880. Its totient is φ = 851666400.

The previous prime is 2700049609. The next prime is 2700049661. The reversal of 2700049644 is 4469400072.

2700049644 is a `hidden beast` number, since 2 + 7 + 0 + 0 + 0 + 4 + 9 + 644 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2700049599 and 2700049608.

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 23 ways as a sum of consecutive naturals, for example, 799279 + ... + 802649.

Almost surely, 2^2700049644 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 2700049644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3596305440).

2700049644 is an abundant number, since it is smaller than the sum of its proper divisors (4492561236).

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

2700049644 is a wasteful number, since it uses less digits than its factorization.

2700049644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4571 (or 4566 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 2700049644 is about 51962.0019244832. The cubic root of 2700049644 is about 1392.4851843662.

The spelling of 2700049644 in words is "two billion, seven hundred million, forty-nine thousand, six hundred forty-four".