2489402168 has 48 divisors (see below), whose sum is σ = 5141261160. Its totient is φ = 1120694400.

The previous prime is 2489402161. The next prime is 2489402177. The reversal of 2489402168 is 8612049842.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489402161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1044338 + ... + 1046718.

Almost surely, 2^2489402168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2489402168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2570630580).

2489402168 is an abundant number, since it is smaller than the sum of its proper divisors (2651858992).

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

2489402168 is a wasteful number, since it uses less digits than its factorization.

2489402168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616 (or 2503 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 2489402168 is about 49893.9091272672. The cubic root of 2489402168 is about 1355.2882958412.

The spelling of 2489402168 in words is "two billion, four hundred eighty-nine million, four hundred two thousand, one hundred sixty-eight".