4380391296 has 96 divisors (see below), whose sum is σ = 12681068400. Its totient is φ = 1451323392.

The previous prime is 4380391277. The next prime is 4380391297. The reversal of 4380391296 is 6921930834.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4380391297) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181000 + ... + 203768.

Almost surely, 2^4380391296 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 4380391296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6340534200).

4380391296 is an abundant number, since it is smaller than the sum of its proper divisors (8300677104).

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

4380391296 is a wasteful number, since it uses less digits than its factorization.

4380391296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22956 (or 22941 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 4380391296 is about 66184.5245960111. The cubic root of 4380391296 is about 1636.2046997687.

The spelling of 4380391296 in words is "four billion, three hundred eighty million, three hundred ninety-one thousand, two hundred ninety-six".