4385347780 has 24 divisors (see below), whose sum is σ = 10046433600. Its totient is φ = 1594671840.

The previous prime is 4385347777. The next prime is 4385347789. The reversal of 4385347780 is 877435834.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4385347789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9966480 + ... + 9966919.

It is an arithmetic number, because the mean of its divisors is an integer number (418601400).

Almost surely, 2^4385347780 is an apocalyptic number.

It is an amenable number.

4385347780 is an abundant number, since it is smaller than the sum of its proper divisors (5661085820).

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

4385347780 is a wasteful number, since it uses less digits than its factorization.

4385347780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19933419 (or 19933417 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 49.

The square root of 4385347780 is about 66221.9584428005. The cubic root of 4385347780 is about 1636.8215978942.

The spelling of 4385347780 in words is "four billion, three hundred eighty-five million, three hundred forty-seven thousand, seven hundred eighty".