2755990480 has 40 divisors (see below), whose sum is σ = 6563970504. Its totient is φ = 1075507200.

The previous prime is 2755990459. The next prime is 2755990487. The reversal of 2755990480 is 840995572.

It can be written as a sum of positive squares in 4 ways, for example, as 57395776 + 2698594704 = 7576^2 + 51948^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2755990487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416841 + ... + 423400.

Almost surely, 2^2755990480 is an apocalyptic number.

2755990480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2755990480 is an abundant number, since it is smaller than the sum of its proper divisors (3807980024).

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

2755990480 is a wasteful number, since it uses less digits than its factorization.

2755990480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840295 (or 840289 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 49.

The square root of 2755990480 is about 52497.5283227696. The cubic root of 2755990480 is about 1402.0362342360.

The spelling of 2755990480 in words is "two billion, seven hundred fifty-five million, nine hundred ninety thousand, four hundred eighty".