2040599930 has 64 divisors (see below), whose sum is σ = 4014958752. Its totient is φ = 743669760.

The previous prime is 2040599923. The next prime is 2040599933. The reversal of 2040599930 is 399950402.

It is a Cunningham number, because it is equal to 45173²+1.

It can be written as a sum of positive squares in 16 ways, for example, as 5958481 + 2034641449 = 2441^2 + 45107^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (2040599933) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 953822 + ... + 955958.

Almost surely, 2^2040599930 is an apocalyptic number.

2040599930 is a deficient number, since it is larger than the sum of its proper divisors (1974358822).

2040599930 is a wasteful number, since it uses less digits than its factorization.

2040599930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 2040599930 is about 45173.0000110686. Note that the first 4 decimals coincide. The cubic root of 2040599930 is about 1268.3894541051.

The spelling of 2040599930 in words is "two billion, forty million, five hundred ninety-nine thousand, nine hundred thirty".