2765252920 has 32 divisors (see below), whose sum is σ = 6223353120. Its totient is φ = 1105828480.

The previous prime is 2765252881. The next prime is 2765252939. The reversal of 2765252920 is 292525672.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 260925 + ... + 271315.

It is an arithmetic number, because the mean of its divisors is an integer number (194479785).

Almost surely, 2^2765252920 is an apocalyptic number.

2765252920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2765252920 is an abundant number, since it is smaller than the sum of its proper divisors (3458100200).

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

2765252920 is a wasteful number, since it uses less digits than its factorization.

2765252920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17055 (or 17051 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 2765252920 is about 52585.6721930984. The cubic root of 2765252920 is about 1403.6051505577.

The spelling of 2765252920 in words is "two billion, seven hundred sixty-five million, two hundred fifty-two thousand, nine hundred twenty".