2981865340 has 24 divisors (see below), whose sum is σ = 6263102160. Its totient is φ = 1192520448.

The previous prime is 2981865323. The next prime is 2981865443. The reversal of 2981865340 is 435681892.

It is a congruent number.

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, 130276 + ... + 151444.

It is an arithmetic number, because the mean of its divisors is an integer number (260962590).

Almost surely, 2^2981865340 is an apocalyptic number.

2981865340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2981865340 is an abundant number, since it is smaller than the sum of its proper divisors (3281236820).

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

2981865340 is a wasteful number, since it uses less digits than its factorization.

2981865340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28221 (or 28219 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 2981865340 is about 54606.4587754965. The cubic root of 2981865340 is about 1439.3376165256.

The spelling of 2981865340 in words is "two billion, nine hundred eighty-one million, eight hundred sixty-five thousand, three hundred forty".