24732920052 has 84 divisors (see below), whose sum is σ = 65783757060. Its totient is φ = 8131300992.

The previous prime is 24732920039. The next prime is 24732920117. The reversal of 24732920052 is 25002923742.

It can be written as a sum of positive squares in 2 ways, for example, as 8367858576 + 16365061476 = 91476^2 + 127926^2 .

It is a super-2 number, since 2×24732920052² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 24732919989 and 24732920016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 154774 + ... + 270962.

It is an arithmetic number, because the mean of its divisors is an integer number (783139965).

Almost surely, 2^24732920052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24732920052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32891878530).

24732920052 is an abundant number, since it is smaller than the sum of its proper divisors (41050837008).

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

24732920052 is a wasteful number, since it uses less digits than its factorization.

24732920052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116284 (or 116267 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

It can be divided in two parts, 24732 and 920052, that added together give a square (944784 = 972²).

The spelling of 24732920052 in words is "twenty-four billion, seven hundred thirty-two million, nine hundred twenty thousand, fifty-two".