2749817480 has 16 divisors (see below), whose sum is σ = 6187089420. Its totient is φ = 1099926976.

The previous prime is 2749817453. The next prime is 2749817519. The reversal of 2749817480 is 847189472.

It can be written as a sum of positive squares in 2 ways, for example, as 2606919364 + 142898116 = 51058^2 + 11954^2 .

It is a super-2 number, since 2×2749817480² = 15122992346627100800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34372679 + ... + 34372758.

Almost surely, 2^2749817480 is an apocalyptic number.

2749817480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2749817480 is an abundant number, since it is smaller than the sum of its proper divisors (3437271940).

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

2749817480 is a wasteful number, since it uses less digits than its factorization.

2749817480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68745448 (or 68745444 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 50.

The square root of 2749817480 is about 52438.7021197131. The cubic root of 2749817480 is about 1400.9886689923.

The spelling of 2749817480 in words is "two billion, seven hundred forty-nine million, eight hundred seventeen thousand, four hundred eighty".