2781241552 has 40 divisors (see below), whose sum is σ = 5418403200. Its totient is φ = 1382971392.

The previous prime is 2781241499. The next prime is 2781241553. The reversal of 2781241552 is 2551421872.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2781241553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3867849 + ... + 3868567.

It is an arithmetic number, because the mean of its divisors is an integer number (135460080).

Almost surely, 2^2781241552 is an apocalyptic number.

It is an amenable number.

2781241552 is a deficient number, since it is larger than the sum of its proper divisors (2637161648).

2781241552 is a wasteful number, since it uses less digits than its factorization.

2781241552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723 (or 1717 counting only the distinct ones).

The product of its digits is 44800, while the sum is 37.

The square root of 2781241552 is about 52737.4776795402. The cubic root of 2781241552 is about 1406.3051582065.

The spelling of 2781241552 in words is "two billion, seven hundred eighty-one million, two hundred forty-one thousand, five hundred fifty-two".