2759249880 has 128 divisors (see below), whose sum is σ = 9256651200. Its totient is φ = 731068416.

The previous prime is 2759249869. The next prime is 2759249881. The reversal of 2759249880 is 889429572.

2759249880 is a `hidden beast` number, since 2 + 7 + 592 + 49 + 8 + 8 + 0 = 666.

It is a super-2 number, since 2×2759249880² = 15226919800560028800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2759249881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161424 + ... + 177696.

Almost surely, 2^2759249880 is an apocalyptic number.

2759249880 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 2759249880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4628325600).

2759249880 is an abundant number, since it is smaller than the sum of its proper divisors (6497401320).

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

2759249880 is a wasteful number, since it uses less digits than its factorization.

2759249880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16450 (or 16440 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 2759249880 is about 52528.5625160255. The cubic root of 2759249880 is about 1402.5887272644.

The spelling of 2759249880 in words is "two billion, seven hundred fifty-nine million, two hundred forty-nine thousand, eight hundred eighty".