2499189444 has 48 divisors (see below), whose sum is σ = 6485740800. Its totient is φ = 832245408.

The previous prime is 2499189419. The next prime is 2499189461. The reversal of 2499189444 is 4449819942.

It is a happy number.

2499189444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104629 + ... + 126275.

It is an arithmetic number, because the mean of its divisors is an integer number (135119600).

Almost surely, 2^2499189444 is an apocalyptic number.

It is an amenable number.

2499189444 is an abundant number, since it is smaller than the sum of its proper divisors (3986551356).

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

2499189444 is a wasteful number, since it uses less digits than its factorization.

2499189444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22729 (or 22721 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 2499189444 is about 49991.8937828924. The cubic root of 2499189444 is about 1357.0621132767.

The spelling of 2499189444 in words is "two billion, four hundred ninety-nine million, one hundred eighty-nine thousand, four hundred forty-four".