1858425197268 has 192 divisors, whose sum is σ = 4635475891200. Its totient is φ = 578494586880.

The previous prime is 1858425197261. The next prime is 1858425197281. The reversal of 1858425197268 is 8627915248581.

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1858425197199 and 1858425197208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1858425197261) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 814740288 + ... + 814742568.

It is an arithmetic number, because the mean of its divisors is an integer number (24143103600).

Almost surely, 2^{1858425197268} 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 1858425197268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2317737945600).

1858425197268 is an abundant number, since it is smaller than the sum of its proper divisors (2777050693932).

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

1858425197268 is a wasteful number, since it uses less digits than its factorization.

1858425197268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930 (or 2928 counting only the distinct ones).

The product of its digits is 77414400, while the sum is 66.

The spelling of 1858425197268 in words is "one trillion, eight hundred fifty-eight billion, four hundred twenty-five million, one hundred ninety-seven thousand, two hundred sixty-eight".