2039909580 has 72 divisors (see below), whose sum is σ = 6304504752. Its totient is φ = 533709696.

The previous prime is 2039909497. The next prime is 2039909581. The reversal of 2039909580 is 859099302.

2039909580 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2039909580² = 8322462189151552800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (2039909581) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97374 + ... + 116453.

It is an arithmetic number, because the mean of its divisors is an integer number (87562566).

Almost surely, 2^2039909580 is an apocalyptic number.

2039909580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2039909580 is an abundant number, since it is smaller than the sum of its proper divisors (4264595172).

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

2039909580 is a wasteful number, since it uses less digits than its factorization.

2039909580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213895 (or 213890 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 2039909580 is about 45165.3581852286. The cubic root of 2039909580 is about 1268.2464028044.

The spelling of 2039909580 in words is "two billion, thirty-nine million, nine hundred nine thousand, five hundred eighty".