2571881464 has 16 divisors (see below), whose sum is σ = 4826706120. Its totient is φ = 1284759840.

The previous prime is 2571881453. The next prime is 2571881479. The reversal of 2571881464 is 4641881752.

It is a super-2 number, since 2×2571881464² = 13229148529733566592, which contains 22 as substring.

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, 138322 + ... + 155809.

Almost surely, 2^2571881464 is an apocalyptic number.

It is an amenable number.

2571881464 is a deficient number, since it is larger than the sum of its proper divisors (2254824656).

2571881464 is a wasteful number, since it uses less digits than its factorization.

2571881464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295230 (or 295226 counting only the distinct ones).

The product of its digits is 430080, while the sum is 46.

The square root of 2571881464 is about 50713.7206680796. The cubic root of 2571881464 is about 1370.0938476212.

The spelling of 2571881464 in words is "two billion, five hundred seventy-one million, eight hundred eighty-one thousand, four hundred sixty-four".