2040495740 has 24 divisors (see below), whose sum is σ = 4339285440. Its totient is φ = 805866048.

The previous prime is 2040495739. The next prime is 2040495773. The reversal of 2040495740 is 475940402.

It is a self number, because there is not a number n which added to its sum of digits gives 2040495740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644147 + ... + 647306.

It is an arithmetic number, because the mean of its divisors is an integer number (180803560).

Almost surely, 2^2040495740 is an apocalyptic number.

2040495740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040495740 is an abundant number, since it is smaller than the sum of its proper divisors (2298789700).

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

2040495740 is a wasteful number, since it uses less digits than its factorization.

2040495740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291541 (or 1291539 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 2040495740 is about 45171.8467632219. The cubic root of 2040495740 is about 1268.3678663774.

The spelling of 2040495740 in words is "two billion, forty million, four hundred ninety-five thousand, seven hundred forty".