2900289840 has 80 divisors (see below), whose sum is σ = 10275318528. Its totient is φ = 662923008.

The previous prime is 2900289829. The next prime is 2900289851. The reversal of 2900289840 is 489820092.

It is an interprime number because it is at equal distance from previous prime (2900289829) and next prime (2900289851).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 2900289792 and 2900289801.

It is an unprimeable number.

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, 861502 + ... + 864861.

Almost surely, 2^2900289840 is an apocalyptic number.

2900289840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2900289840 is an abundant number, since it is smaller than the sum of its proper divisors (7375028688).

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

2900289840 is a wasteful number, since it uses less digits than its factorization.

2900289840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726386 (or 1726380 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 2900289840 is about 53854.3391009490. The cubic root of 2900289840 is about 1426.0906541052.

The spelling of 2900289840 in words is "two billion, nine hundred million, two hundred eighty-nine thousand, eight hundred forty".