4892439940 has 48 divisors (see below), whose sum is σ = 10765923840. Its totient is φ = 1864016000.

The previous prime is 4892439931. The next prime is 4892439943. The reversal of 4892439940 is 499342984.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4892439943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87690 + ... + 132190.

It is an arithmetic number, because the mean of its divisors is an integer number (224290080).

Almost surely, 2^4892439940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4892439940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5382961920).

4892439940 is an abundant number, since it is smaller than the sum of its proper divisors (5873483900).

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

4892439940 is a wasteful number, since it uses less digits than its factorization.

4892439940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44772 (or 44770 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 52.

The square root of 4892439940 is about 69945.9787264429. The cubic root of 4892439940 is about 1697.6252817797.

The spelling of 4892439940 in words is "four billion, eight hundred ninety-two million, four hundred thirty-nine thousand, nine hundred forty".