2489619144 has 64 divisors (see below), whose sum is σ = 6481584000. Its totient is φ = 795916800.

The previous prime is 2489619137. The next prime is 2489619149. The reversal of 2489619144 is 4419169842.

It is a super-3 number, since 3×2489619144³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2489619093 and 2489619102.

It is not an unprimeable number, because it can be changed into a prime (2489619149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93252 + ... + 116940.

It is an arithmetic number, because the mean of its divisors is an integer number (101274750).

Almost surely, 2^2489619144 is an apocalyptic number.

2489619144 is a gapful number since it is divisible by the number (24) 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 2489619144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3240792000).

2489619144 is an abundant number, since it is smaller than the sum of its proper divisors (3991964856).

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

2489619144 is a wasteful number, since it uses less digits than its factorization.

2489619144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23878 (or 23874 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The square root of 2489619144 is about 49896.0834535137. The cubic root of 2489619144 is about 1355.3276702867.

The spelling of 2489619144 in words is "two billion, four hundred eighty-nine million, six hundred nineteen thousand, one hundred forty-four".