2653691520 has 128 divisors (see below), whose sum is σ = 8473752000. Its totient is φ = 706387968.

The previous prime is 2653691519. The next prime is 2653691533. The reversal of 2653691520 is 251963562.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1648476 + ... + 1650084.

Almost surely, 2^2653691520 is an apocalyptic number.

2653691520 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 2653691520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4236876000).

2653691520 is an abundant number, since it is smaller than the sum of its proper divisors (5820060480).

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

2653691520 is a wasteful number, since it uses less digits than its factorization.

2653691520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490 (or 2478 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 2653691520 is about 51513.9934386764. The cubic root of 2653691520 is about 1384.4697749253.

The spelling of 2653691520 in words is "two billion, six hundred fifty-three million, six hundred ninety-one thousand, five hundred twenty".