2081748540 has 48 divisors (see below), whose sum is σ = 5838924672. Its totient is φ = 554177856.

The previous prime is 2081748517. The next prime is 2081748563. The reversal of 2081748540 is 458471802.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2081748517) and next prime (2081748563).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5667 + ... + 64773.

It is an arithmetic number, because the mean of its divisors is an integer number (121644264).

Almost surely, 2^2081748540 is an apocalyptic number.

2081748540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2081748540 is an abundant number, since it is smaller than the sum of its proper divisors (3757176132).

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

2081748540 is a wasteful number, since it uses less digits than its factorization.

2081748540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59706 (or 59704 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 2081748540 is about 45626.1826148101. The cubic root of 2081748540 is about 1276.8584539486.

The spelling of 2081748540 in words is "two billion, eighty-one million, seven hundred forty-eight thousand, five hundred forty".