2900309140 has 48 divisors (see below), whose sum is σ = 6671322000. Its totient is φ = 1054226432.

The previous prime is 2900309119. The next prime is 2900309149. The reversal of 2900309140 is 419030092.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 253000836 + 2647308304 = 15906^2 + 51452^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2900309099 and 2900309108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2900309149) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 137215 + ... + 156934.

It is an arithmetic number, because the mean of its divisors is an integer number (138985875).

Almost surely, 2^2900309140 is an apocalyptic number.

2900309140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2900309140 is an abundant number, since it is smaller than the sum of its proper divisors (3771012860).

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

2900309140 is a wasteful number, since it uses less digits than its factorization.

2900309140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294204 (or 294202 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 2900309140 is about 53854.5182876980. The cubic root of 2900309140 is about 1426.0938174085.

The spelling of 2900309140 in words is "two billion, nine hundred million, three hundred nine thousand, one hundred forty".