2772259480 has 16 divisors (see below), whose sum is σ = 6237583920. Its totient is φ = 1108903776.

The previous prime is 2772259471. The next prime is 2772259481. The reversal of 2772259480 is 849522772.

It is a self number, because there is not a number n which added to its sum of digits gives 2772259480.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2772259481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34653204 + ... + 34653283.

It is an arithmetic number, because the mean of its divisors is an integer number (389848995).

Almost surely, 2^2772259480 is an apocalyptic number.

2772259480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2772259480 is an abundant number, since it is smaller than the sum of its proper divisors (3465324440).

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

2772259480 is a wasteful number, since it uses less digits than its factorization.

2772259480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69306498 (or 69306494 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The square root of 2772259480 is about 52652.2504742200. The cubic root of 2772259480 is about 1404.7896292213.

The spelling of 2772259480 in words is "two billion, seven hundred seventy-two million, two hundred fifty-nine thousand, four hundred eighty".