4781439936 has 336 divisors, whose sum is σ = 17402860800. Its totient is φ = 1260499968.

The previous prime is 4781439919. The next prime is 4781439937. The reversal of 4781439936 is 6399341874.

It is a happy number.

4781439936 is a `hidden beast` number, since 47 + 81 + 439 + 93 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (54).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4781439937) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2043055 + ... + 2045393.

Almost surely, 2^4781439936 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 4781439936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8701430400).

4781439936 is an abundant number, since it is smaller than the sum of its proper divisors (12621420864).

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

4781439936 is a wasteful number, since it uses less digits than its factorization.

4781439936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2393 (or 2364 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 4781439936 is about 69147.9568461715. The cubic root of 4781439936 is about 1684.6883327910.

The spelling of 4781439936 in words is "four billion, seven hundred eighty-one million, four hundred thirty-nine thousand, nine hundred thirty-six".