4424161842 has 20 divisors (see below), whose sum is σ = 9913400046. Its totient is φ = 1474720560.

The previous prime is 4424161739. The next prime is 4424161873. The reversal of 4424161842 is 2481614244.

It can be written as a sum of positive squares in only one way, i.e., 4329508401 + 94653441 = 65799^2 + 9729^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4424161797 and 4424161806.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13654659 + ... + 13654982.

Almost surely, 2^4424161842 is an apocalyptic number.

4424161842 is an abundant number, since it is smaller than the sum of its proper divisors (5489238204).

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

4424161842 is a wasteful number, since it uses less digits than its factorization.

4424161842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27309655 (or 27309646 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

The square root of 4424161842 is about 66514.3731985802. The cubic root of 4424161842 is about 1641.6365086589.

The spelling of 4424161842 in words is "four billion, four hundred twenty-four million, one hundred sixty-one thousand, eight hundred forty-two".