4492891242 has 72 divisors (see below), whose sum is σ = 11337300000. Its totient is φ = 1282166928.

The previous prime is 4492891237. The next prime is 4492891253. The reversal of 4492891242 is 2421982944.

4492891242 is a `hidden beast` number, since 449 + 2 + 89 + 124 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 896259 + ... + 901257.

It is an arithmetic number, because the mean of its divisors is an integer number (157462500).

Almost surely, 2^4492891242 is an apocalyptic number.

4492891242 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4492891242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5668650000).

4492891242 is an abundant number, since it is smaller than the sum of its proper divisors (6844408758).

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

4492891242 is a wasteful number, since it uses less digits than its factorization.

4492891242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6040 (or 6030 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 4492891242 is about 67029.0328290659. The cubic root of 4492891242 is about 1650.0938106443.

The spelling of 4492891242 in words is "four billion, four hundred ninety-two million, eight hundred ninety-one thousand, two hundred forty-two".