2040171930 has 96 divisors (see below), whose sum is σ = 5689232640. Its totient is φ = 505664640.

The previous prime is 2040171929. The next prime is 2040171941. The reversal of 2040171930 is 391710402.

It is a junction number, because it is equal to n+sod(n) for n = 2040171894 and 2040171903.

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 47 ways as a sum of consecutive naturals, for example, 79375 + ... + 101885.

It is an arithmetic number, because the mean of its divisors is an integer number (59262840).

Almost surely, 2^2040171930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2040171930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2844616320).

2040171930 is an abundant number, since it is smaller than the sum of its proper divisors (3649060710).

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

2040171930 is a wasteful number, since it uses less digits than its factorization.

2040171930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22596 (or 22593 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 2040171930 is about 45168.2624195352. The cubic root of 2040171930 is about 1268.3007696228.

The spelling of 2040171930 in words is "two billion, forty million, one hundred seventy-one thousand, nine hundred thirty".