2489628144 has 20 divisors (see below), whose sum is σ = 6431539496. Its totient is φ = 829876032.

The previous prime is 2489628131. The next prime is 2489628161. The reversal of 2489628144 is 4418269842.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 51867253 = 2489628144 / (2 + 4 + 8 + 9 + 6 + 2 + 8 + 1 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 2489628093 and 2489628102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25933579 + ... + 25933674.

Almost surely, 2^2489628144 is an apocalyptic number.

2489628144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2489628144 is an abundant number, since it is smaller than the sum of its proper divisors (3941911352).

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

2489628144 is a wasteful number, since it uses less digits than its factorization.

2489628144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51867264 (or 51867258 counting only the distinct ones).

The product of its digits is 884736, while the sum is 48.

The square root of 2489628144 is about 49896.1736408715. The cubic root of 2489628144 is about 1355.3293034595.

The spelling of 2489628144 in words is "two billion, four hundred eighty-nine million, six hundred twenty-eight thousand, one hundred forty-four".