2980350640 has 80 divisors (see below), whose sum is σ = 7463808000. Its totient is φ = 1103106816.

The previous prime is 2980350617. The next prime is 2980350661. The reversal of 2980350640 is 460530892.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2980350640.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42561 + ... + 88159.

It is an arithmetic number, because the mean of its divisors is an integer number (93297600).

Almost surely, 2^2980350640 is an apocalyptic number.

2980350640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2980350640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3731904000).

2980350640 is an abundant number, since it is smaller than the sum of its proper divisors (4483457360).

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

2980350640 is a wasteful number, since it uses less digits than its factorization.

2980350640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45674 (or 45668 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 2980350640 is about 54592.5877752649. The cubic root of 2980350640 is about 1439.0938615047.

The spelling of 2980350640 in words is "two billion, nine hundred eighty million, three hundred fifty thousand, six hundred forty".