2140376728 has 32 divisors (see below), whose sum is σ = 4598668800. Its totient is φ = 914874912.

The previous prime is 2140376633. The next prime is 2140376743. The reversal of 2140376728 is 8276730412.

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, 29200 + ... + 71647.

It is an arithmetic number, because the mean of its divisors is an integer number (143708400).

Almost surely, 2^2140376728 is an apocalyptic number.

2140376728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2140376728 is an abundant number, since it is smaller than the sum of its proper divisors (2458292072).

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

2140376728 is a wasteful number, since it uses less digits than its factorization.

2140376728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101239 (or 101235 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 2140376728 is about 46264.2056886315. The cubic root of 2140376728 is about 1288.7343570819.

The spelling of 2140376728 in words is "two billion, one hundred forty million, three hundred seventy-six thousand, seven hundred twenty-eight".