2481778272 has 48 divisors (see below), whose sum is σ = 6574463280. Its totient is φ = 819666432.

The previous prime is 2481778267. The next prime is 2481778279. The reversal of 2481778272 is 2728771842.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2481778279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108123 + ... + 129050.

It is an arithmetic number, because the mean of its divisors is an integer number (136967985).

Almost surely, 2^2481778272 is an apocalyptic number.

It is an amenable number.

2481778272 is an abundant number, since it is smaller than the sum of its proper divisors (4092685008).

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

2481778272 is a wasteful number, since it uses less digits than its factorization.

2481778272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237295 (or 237287 counting only the distinct ones).

The product of its digits is 702464, while the sum is 48.

The square root of 2481778272 is about 49817.4494730511. The cubic root of 2481778272 is about 1353.9033390949.

The spelling of 2481778272 in words is "two billion, four hundred eighty-one million, seven hundred seventy-eight thousand, two hundred seventy-two".