2801255888 has 20 divisors (see below), whose sum is σ = 5428568100. Its totient is φ = 1400335104.

The previous prime is 2801255879. The next prime is 2801255909. The reversal of 2801255888 is 8885521082.

It can be written as a sum of positive squares in 2 ways, for example, as 1562779024 + 1238476864 = 39532^2 + 35192^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75038 + ... + 105986.

It is an arithmetic number, because the mean of its divisors is an integer number (271428405).

Almost surely, 2^2801255888 is an apocalyptic number.

It is an amenable number.

2801255888 is a deficient number, since it is larger than the sum of its proper divisors (2627312212).

2801255888 is a wasteful number, since it uses less digits than its factorization.

2801255888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36614 (or 36608 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 47.

The square root of 2801255888 is about 52926.8919170586. The cubic root of 2801255888 is about 1409.6704439125.

The spelling of 2801255888 in words is "two billion, eight hundred one million, two hundred fifty-five thousand, eight hundred eighty-eight".