52440080 has 80 divisors (see below), whose sum is σ = 152025984. Its totient is φ = 16343040.

The previous prime is 52440067. The next prime is 52440097. The reversal of 52440080 is 8004425.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1904 + ... + 10416.

Almost surely, 2^52440080 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 52440080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76012992).

52440080 is an abundant number, since it is smaller than the sum of its proper divisors (99585904).

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

52440080 is a wasteful number, since it uses less digits than its factorization.

52440080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8544 (or 8538 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 52440080 is about 7241.5523197723. The cubic root of 52440080 is about 374.3011101356.

It can be divided in two parts, 524 and 40080, that added together give a palindrome (40604).

The spelling of 52440080 in words is "fifty-two million, four hundred forty thousand, eighty".