2575278272 has 56 divisors (see below), whose sum is σ = 5849136384. Its totient is φ = 1102033152.

The previous prime is 2575278253. The next prime is 2575278287. The reversal of 2575278272 is 2728725752.

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321743 + ... + 329649.

It is an arithmetic number, because the mean of its divisors is an integer number (104448864).

Almost surely, 2^2575278272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2575278272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2924568192).

2575278272 is an abundant number, since it is smaller than the sum of its proper divisors (3273858112).

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

2575278272 is an equidigital number, since it uses as much as digits as its factorization.

2575278272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8653 (or 8643 counting only the distinct ones).

The product of its digits is 1097600, while the sum is 47.

The square root of 2575278272 is about 50747.1996468771. The cubic root of 2575278272 is about 1370.6967652923.

The spelling of 2575278272 in words is "two billion, five hundred seventy-five million, two hundred seventy-eight thousand, two hundred seventy-two".