4631929728 has 128 divisors (see below), whose sum is σ = 12997248000. Its totient is φ = 1459261440.

The previous prime is 4631929721. The next prime is 4631929739. The reversal of 4631929728 is 8279291364.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4631929721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507348 + ... + 516396.

It is an arithmetic number, because the mean of its divisors is an integer number (101541000).

Almost surely, 2^4631929728 is an apocalyptic number.

4631929728 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 4631929728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6498624000).

4631929728 is an abundant number, since it is smaller than the sum of its proper divisors (8365318272).

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

4631929728 is a wasteful number, since it uses less digits than its factorization.

4631929728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9140 (or 9128 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The square root of 4631929728 is about 68058.2818472521. The cubic root of 4631929728 is about 1666.9426327742.

The spelling of 4631929728 in words is "four billion, six hundred thirty-one million, nine hundred twenty-nine thousand, seven hundred twenty-eight".