2748942140 has 36 divisors (see below), whose sum is σ = 6715275336. Its totient is φ = 942494112.

The previous prime is 2748942139. The next prime is 2748942167. The reversal of 2748942140 is 412498472.

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 11 ways as a sum of consecutive naturals, for example, 1401542 + ... + 1403501.

It is an arithmetic number, because the mean of its divisors is an integer number (186535426).

Almost surely, 2^2748942140 is an apocalyptic number.

2748942140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2748942140 is an abundant number, since it is smaller than the sum of its proper divisors (3966333196).

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

2748942140 is a wasteful number, since it uses less digits than its factorization.

2748942140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805066 (or 2805057 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 2748942140 is about 52430.3551389841. The cubic root of 2748942140 is about 1400.8399959041.

The spelling of 2748942140 in words is "two billion, seven hundred forty-eight million, nine hundred forty-two thousand, one hundred forty".