2757297480 has 256 divisors, whose sum is σ = 10273996800. Its totient is φ = 577704960.

The previous prime is 2757297451. The next prime is 2757297497. The reversal of 2757297480 is 847927572.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 491974 + ... + 497546.

It is an arithmetic number, because the mean of its divisors is an integer number (40132800).

Almost surely, 2^2757297480 is an apocalyptic number.

2757297480 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 2757297480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5136998400).

2757297480 is an abundant number, since it is smaller than the sum of its proper divisors (7516699320).

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

2757297480 is a wasteful number, since it uses less digits than its factorization.

2757297480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5644 (or 5640 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 51.

The square root of 2757297480 is about 52509.9750523651. The cubic root of 2757297480 is about 1402.2578329404.

The spelling of 2757297480 in words is "two billion, seven hundred fifty-seven million, two hundred ninety-seven thousand, four hundred eighty".