2239499136 has 192 divisors, whose sum is σ = 6960055680. Its totient is φ = 638012928.

The previous prime is 2239499069. The next prime is 2239499149. The reversal of 2239499136 is 6319949322.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6453715 + ... + 6454061.

It is an arithmetic number, because the mean of its divisors is an integer number (36250290).

Almost surely, 2^2239499136 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 2239499136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3480027840).

2239499136 is an abundant number, since it is smaller than the sum of its proper divisors (4720556544).

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

2239499136 is an frugal number, since it uses more digits than its factorization.

2239499136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 359 counting only the distinct ones).

The product of its digits is 629856, while the sum is 48.

The square root of 2239499136 is about 47323.3466272198. The cubic root of 2239499136 is about 1308.3289954157.

The spelling of 2239499136 in words is "two billion, two hundred thirty-nine million, four hundred ninety-nine thousand, one hundred thirty-six".