2040599928 has 64 divisors (see below), whose sum is σ = 5334854400. Its totient is φ = 649214720.

The previous prime is 2040599923. The next prime is 2040599933. The reversal of 2040599928 is 8299950402.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (2040599923) and next prime (2040599933).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040599923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267268 + ... + 274796.

It is an arithmetic number, because the mean of its divisors is an integer number (83357100).

Almost surely, 2^2040599928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2040599928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2667427200).

2040599928 is an abundant number, since it is smaller than the sum of its proper divisors (3294254472).

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

2040599928 is a wasteful number, since it uses less digits than its factorization.

2040599928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8052 (or 8048 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 2040599928 is about 45172.9999889314. Note that the first 4 decimals coincide. The cubic root of 2040599928 is about 1268.3894536907.

The spelling of 2040599928 in words is "two billion, forty million, five hundred ninety-nine thousand, nine hundred twenty-eight".