2899061940 has 24 divisors (see below), whose sum is σ = 8117373600. Its totient is φ = 773083168.

The previous prime is 2899061923. The next prime is 2899061941. The reversal of 2899061940 is 491609982.

It is a self number, because there is not a number n which added to its sum of digits gives 2899061940.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2899061941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24158790 + ... + 24158909.

It is an arithmetic number, because the mean of its divisors is an integer number (338223900).

Almost surely, 2^2899061940 is an apocalyptic number.

2899061940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2899061940 is an abundant number, since it is smaller than the sum of its proper divisors (5218311660).

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

2899061940 is a wasteful number, since it uses less digits than its factorization.

2899061940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48317711 (or 48317709 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 2899061940 is about 53842.9376984577. The cubic root of 2899061940 is about 1425.8893703267.

The spelling of 2899061940 in words is "two billion, eight hundred ninety-nine million, sixty-one thousand, nine hundred forty".