2091092520140 has 48 divisors (see below), whose sum is σ = 4977985444320. Its totient is φ = 731459082240.

The previous prime is 2091092520073. The next prime is 2091092520151. The reversal of 2091092520140 is 410252901902.

It is a self number, because there is not a number n which added to its sum of digits gives 2091092520140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211644101 + ... + 211653980.

It is an arithmetic number, because the mean of its divisors is an integer number (103708030090).

Almost surely, 2^{2091092520140} is an apocalyptic number.

2091092520140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2091092520140 is an abundant number, since it is smaller than the sum of its proper divisors (2886892924180).

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

2091092520140 is a wasteful number, since it uses less digits than its factorization.

2091092520140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423298122 (or 423298120 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 2091092520140 in words is "two trillion, ninety-one billion, ninety-two million, five hundred twenty thousand, one hundred forty".