2731298880 has 336 divisors, whose sum is σ = 9557308800. Its totient is φ = 658538496.

The previous prime is 2731298833. The next prime is 2731298881. The reversal of 2731298880 is 888921372.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (2731298881) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13725021 + ... + 13725219.

Almost surely, 2^2731298880 is an apocalyptic number.

2731298880 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 2731298880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4778654400).

2731298880 is an abundant number, since it is smaller than the sum of its proper divisors (6826009920).

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

2731298880 is a wasteful number, since it uses less digits than its factorization.

2731298880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 2731298880 is about 52261.8300483249. The cubic root of 2731298880 is about 1397.8366042422.

The spelling of 2731298880 in words is "two billion, seven hundred thirty-one million, two hundred ninety-eight thousand, eight hundred eighty".