2889445460 has 96 divisors (see below), whose sum is σ = 7046911872. Its totient is φ = 983531520.

The previous prime is 2889445423. The next prime is 2889445483. The reversal of 2889445460 is 645449882.

It is a super-2 number, since 2×2889445460² = 16697790132629223200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2889445399 and 2889445408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 719819 + ... + 723821.

It is an arithmetic number, because the mean of its divisors is an integer number (73405332).

Almost surely, 2^2889445460 is an apocalyptic number.

2889445460 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 2889445460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3523455936).

2889445460 is an abundant number, since it is smaller than the sum of its proper divisors (4157466412).

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

2889445460 is a wasteful number, since it uses less digits than its factorization.

2889445460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4233 (or 4231 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 50.

The square root of 2889445460 is about 53753.5623005583. The cubic root of 2889445460 is about 1424.3110177079.

The spelling of 2889445460 in words is "two billion, eight hundred eighty-nine million, four hundred forty-five thousand, four hundred sixty".