4923931680 has 240 divisors, whose sum is σ = 18400397400. Its totient is φ = 1235755008.

The previous prime is 4923931667. The next prime is 4923931703. The reversal of 4923931680 is 861393294.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3776348304 + 1147583376 = 61452^2 + 33876^2 .

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 209146 + ... + 231494.

Almost surely, 2^4923931680 is an apocalyptic number.

4923931680 is a gapful number since it is divisible by the number (40) 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 4923931680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9200198700).

4923931680 is an abundant number, since it is smaller than the sum of its proper divisors (13476465720).

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

4923931680 is a wasteful number, since it uses less digits than its factorization.

4923931680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22393 (or 22376 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 4923931680 is about 70170.7323604364. The cubic root of 4923931680 is about 1701.2599287377.

The spelling of 4923931680 in words is "four billion, nine hundred twenty-three million, nine hundred thirty-one thousand, six hundred eighty".