52466326748840 has 128 divisors (see below), whose sum is σ = 125520801120000. Its totient is φ = 19681639262208.

The previous prime is 52466326748831. The next prime is 52466326748879. The reversal of 52466326748840 is 4884762366425.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28913804 + ... + 30674756.

It is an arithmetic number, because the mean of its divisors is an integer number (980631258750).

Almost surely, 2^{52466326748840} 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 52466326748840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62760400560000).

52466326748840 is an abundant number, since it is smaller than the sum of its proper divisors (73054474371160).

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

52466326748840 is a wasteful number, since it uses less digits than its factorization.

52466326748840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761379 (or 1761375 counting only the distinct ones).

The product of its (nonzero) digits is 371589120, while the sum is 65.

The spelling of 52466326748840 in words is "fifty-two trillion, four hundred sixty-six billion, three hundred twenty-six million, seven hundred forty-eight thousand, eight hundred forty".