52142041502628 has 144 divisors (see below), whose sum is σ = 154564112037888. Its totient is φ = 13528519368000.

The previous prime is 52142041502627. The next prime is 52142041502653. The reversal of 52142041502628 is 82620514024125.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 52142041502628.

It is not an unprimeable number, because it can be changed into a prime (52142041502627) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1467793 + ... + 10316903.

It is an arithmetic number, because the mean of its divisors is an integer number (1073361889152).

Almost surely, 2^{52142041502628} 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 52142041502628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77282056018944).

52142041502628 is an abundant number, since it is smaller than the sum of its proper divisors (102422070535260).

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

52142041502628 is a wasteful number, since it uses less digits than its factorization.

52142041502628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8850054 (or 8850045 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The spelling of 52142041502628 in words is "fifty-two trillion, one hundred forty-two billion, forty-one million, five hundred two thousand, six hundred twenty-eight".