2239979616 has 384 divisors, whose sum is σ = 7978521600. Its totient is φ = 597196800.

The previous prime is 2239979603. The next prime is 2239979659. The reversal of 2239979616 is 6169799322.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11606016 + ... + 11606208.

It is an arithmetic number, because the mean of its divisors is an integer number (20777400).

Almost surely, 2^2239979616 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 2239979616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3989260800).

2239979616 is an abundant number, since it is smaller than the sum of its proper divisors (5738541984).

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

2239979616 is a wasteful number, since it uses less digits than its factorization.

2239979616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339 (or 325 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 54.

The square root of 2239979616 is about 47328.4229190029. The cubic root of 2239979616 is about 1308.4225551696.

The spelling of 2239979616 in words is "two billion, two hundred thirty-nine million, nine hundred seventy-nine thousand, six hundred sixteen".