2081376940 has 24 divisors (see below), whose sum is σ = 4373535600. Its totient is φ = 832047168.

The previous prime is 2081376919. The next prime is 2081376961. The reversal of 2081376940 is 496731802.

It is an interprime number because it is at equal distance from previous prime (2081376919) and next prime (2081376961).

It is a junction number, because it is equal to n+sod(n) for n = 2081376893 and 2081376902.

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, 3354 + ... + 64606.

It is an arithmetic number, because the mean of its divisors is an integer number (182230650).

Almost surely, 2^2081376940 is an apocalyptic number.

2081376940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2081376940 is an abundant number, since it is smaller than the sum of its proper divisors (2292158660).

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

2081376940 is a wasteful number, since it uses less digits than its factorization.

2081376940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62961 (or 62959 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 2081376940 is about 45622.1102098533. The cubic root of 2081376940 is about 1276.7824747374.

The spelling of 2081376940 in words is "two billion, eighty-one million, three hundred seventy-six thousand, nine hundred forty".