24728820516 has 27 divisors (see below), whose sum is σ = 62511348081. Its totient is φ = 8242625664.

The previous prime is 24728820469. The next prime is 24728820563. The reversal of 24728820516 is 61502882742.

The square root of 24728820516 is 157254.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (24728820469) and next prime (24728820563).

It can be written as a sum of positive squares in only one way, i.e., 9033742116 + 15695078400 = 95046^2 + 125280^2 .

It is a super-2 number, since 2×24728820516² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 930420 + ... + 956628.

Almost surely, 2^24728820516 is an apocalyptic number.

24728820516 is the 157254-th square number.

It is an amenable number.

24728820516 is an abundant number, since it is smaller than the sum of its proper divisors (37782527565).

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

24728820516 is an frugal number, since it uses more digits than its factorization.

24728820516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52428 (or 26214 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 24728820516 in words is "twenty-four billion, seven hundred twenty-eight million, eight hundred twenty thousand, five hundred sixteen".