2653245880 has 64 divisors (see below), whose sum is σ = 6417792000. Its totient is φ = 984034944.

The previous prime is 2653245869. The next prime is 2653245901. The reversal of 2653245880 is 885423562.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1420 + ... + 72859.

It is an arithmetic number, because the mean of its divisors is an integer number (100278000).

Almost surely, 2^2653245880 is an apocalyptic number.

2653245880 is a gapful number since it is divisible by the number (20) 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 2653245880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3208896000).

2653245880 is an abundant number, since it is smaller than the sum of its proper divisors (3764546120).

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

2653245880 is a wasteful number, since it uses less digits than its factorization.

2653245880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74356 (or 74352 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 43.

The square root of 2653245880 is about 51509.6678304180. The cubic root of 2653245880 is about 1384.3922716127.

The spelling of 2653245880 in words is "two billion, six hundred fifty-three million, two hundred forty-five thousand, eight hundred eighty".