2109575740 has 24 divisors (see below), whose sum is σ = 4434171840. Its totient is φ = 843056448.

The previous prime is 2109575737. The next prime is 2109575759. The reversal of 2109575740 is 475759012.

It is a junction number, because it is equal to n+sod(n) for n = 2109575693 and 2109575702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25755 + ... + 69874.

It is an arithmetic number, because the mean of its divisors is an integer number (184757160).

Almost surely, 2^2109575740 is an apocalyptic number.

2109575740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2109575740 is an abundant number, since it is smaller than the sum of its proper divisors (2324596100).

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

2109575740 is a wasteful number, since it uses less digits than its factorization.

2109575740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96741 (or 96739 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 40.

The square root of 2109575740 is about 45930.1180055092. The cubic root of 2109575740 is about 1282.5226414515.

The spelling of 2109575740 in words is "two billion, one hundred nine million, five hundred seventy-five thousand, seven hundred forty".