2805139248 has 40 divisors (see below), whose sum is σ = 7561682688. Its totient is φ = 894391872.

The previous prime is 2805139237. The next prime is 2805139261. The reversal of 2805139248 is 8429315082.

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, 1269340 + ... + 1271547.

Almost surely, 2^2805139248 is an apocalyptic number.

It is an amenable number.

2805139248 is an abundant number, since it is smaller than the sum of its proper divisors (4756543440).

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

2805139248 is a wasteful number, since it uses less digits than its factorization.

2805139248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540921 (or 2540915 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 2805139248 is about 52963.5652878467. The cubic root of 2805139248 is about 1410.3215483146.

The spelling of 2805139248 in words is "two billion, eight hundred five million, one hundred thirty-nine thousand, two hundred forty-eight".