4492988928 has 120 divisors (see below), whose sum is σ = 13212450108. Its totient is φ = 1469325312.

The previous prime is 4492988917. The next prime is 4492988947. The reversal of 4492988928 is 8298892944.

4492988928 is a `hidden beast` number, since 449 + 2 + 98 + 89 + 28 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3959933184 + 533055744 = 62928^2 + 23088^2 .

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235026 + ... + 253422.

Almost surely, 2^4492988928 is an apocalyptic number.

4492988928 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4492988928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6606225054).

4492988928 is an abundant number, since it is smaller than the sum of its proper divisors (8719461180).

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

4492988928 is a wasteful number, since it uses less digits than its factorization.

4492988928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18474 (or 18455 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 63.

The square root of 4492988928 is about 67029.7615093475. The cubic root of 4492988928 is about 1650.1057695283.

The spelling of 4492988928 in words is "four billion, four hundred ninety-two million, nine hundred eighty-eight thousand, nine hundred twenty-eight".