2791552560 has 40 divisors (see below), whose sum is σ = 8653813680. Its totient is φ = 744413952.

The previous prime is 2791552501. The next prime is 2791552571. The reversal of 2791552560 is 652551972.

It is a tau number, because it is divible by the number of its divisors (40).

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, 5815495 + ... + 5815974.

It is an arithmetic number, because the mean of its divisors is an integer number (216345342).

Almost surely, 2^2791552560 is an apocalyptic number.

2791552560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2791552560 is an abundant number, since it is smaller than the sum of its proper divisors (5862261120).

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

2791552560 is a wasteful number, since it uses less digits than its factorization.

2791552560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11631485 (or 11631479 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 2791552560 is about 52835.1451214057. The cubic root of 2791552560 is about 1408.0408987560.

The spelling of 2791552560 in words is "two billion, seven hundred ninety-one million, five hundred fifty-two thousand, five hundred sixty".