239068440 has 192 divisors, whose sum is σ = 873512640. Its totient is φ = 56263680.

The previous prime is 239068439. The next prime is 239068471. The reversal of 239068440 is 44860932.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 239068395 and 239068404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 106530 + ... + 108750.

It is an arithmetic number, because the mean of its divisors is an integer number (4549545).

Almost surely, 2^239068440 is an apocalyptic number.

239068440 is a gapful number since it is divisible by the number (20) 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 239068440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (436756320).

239068440 is an abundant number, since it is smaller than the sum of its proper divisors (634444200).

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

239068440 is a wasteful number, since it uses less digits than its factorization.

239068440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274 (or 2267 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 239068440 is about 15461.8381830881. The cubic root of 239068440 is about 620.6414104392.

The spelling of 239068440 in words is "two hundred thirty-nine million, sixty-eight thousand, four hundred forty".