4391360442 has 48 divisors (see below), whose sum is σ = 11058166080. Its totient is φ = 1233406656.

The previous prime is 4391360417. The next prime is 4391360483. The reversal of 4391360442 is 2440631934.

It is a happy number.

4391360442 is a `hidden beast` number, since 4 + 3 + 9 + 1 + 3 + 604 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4391360397 and 4391360406.

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, 287923 + ... + 302790.

It is an arithmetic number, because the mean of its divisors is an integer number (230378460).

Almost surely, 2^4391360442 is an apocalyptic number.

4391360442 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4391360442 is an abundant number, since it is smaller than the sum of its proper divisors (6666805638).

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

4391360442 is a wasteful number, since it uses less digits than its factorization.

4391360442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590787 (or 590784 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 4391360442 is about 66267.3406890604. The cubic root of 4391360442 is about 1637.5693273059.

The spelling of 4391360442 in words is "four billion, three hundred ninety-one million, three hundred sixty thousand, four hundred forty-two".