4923555840 has 640 divisors, whose sum is σ = 20553873120. Its totient is φ = 1104150528.

The previous prime is 4923555799. The next prime is 4923555863. The reversal of 4923555840 is 485553294.

4923555840 is a `hidden beast` number, since 4 + 92 + 3 + 5 + 558 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

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

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 92897254 + ... + 92897306.

Almost surely, 2^4923555840 is an apocalyptic number.

4923555840 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 4923555840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10276936560).

4923555840 is an abundant number, since it is smaller than the sum of its proper divisors (15630317280).

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

4923555840 is an frugal number, since it uses more digits than its factorization.

4923555840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The square root of 4923555840 is about 70168.0542697316. The cubic root of 4923555840 is about 1701.2166423396.

The spelling of 4923555840 in words is "four billion, nine hundred twenty-three million, five hundred fifty-five thousand, eight hundred forty".