4993724520 has 80 divisors (see below), whose sum is σ = 16784473860. Its totient is φ = 1331659008.

The previous prime is 4993724471. The next prime is 4993724521. The reversal of 4993724520 is 254273994.

4993724520 is a `hidden beast` number, since 4 + 99 + 37 + 2 + 4 + 520 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4986336996 + 7387524 = 70614^2 + 2718^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4993724521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 767397 + ... + 773876.

Almost surely, 2^4993724520 is an apocalyptic number.

4993724520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4993724520 is an abundant number, since it is smaller than the sum of its proper divisors (11790749340).

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

4993724520 is a wasteful number, since it uses less digits than its factorization.

4993724520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541296 (or 1541283 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 4993724520 is about 70666.2898417626. The cubic root of 4993724520 is about 1709.2602525146.

The spelling of 4993724520 in words is "four billion, nine hundred ninety-three million, seven hundred twenty-four thousand, five hundred twenty".