1325190968442 has 48 divisors (see below), whose sum is σ = 3136322019168. Its totient is φ = 401053475040.

The previous prime is 1325190968341. The next prime is 1325190968473. The reversal of 1325190968442 is 2448690915231.

It is a happy number.

1325190968442 is a `hidden beast` number, since 1 + 3 + 2 + 5 + 190 + 9 + 6 + 8 + 442 = 666.

It is a super-2 number, since 2×1325190968442² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4176108 + ... + 4482215.

It is an arithmetic number, because the mean of its divisors is an integer number (65340042066).

Almost surely, 2^{1325190968442} is an apocalyptic number.

1325190968442 is an abundant number, since it is smaller than the sum of its proper divisors (1811131050726).

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

1325190968442 is a wasteful number, since it uses less digits than its factorization.

1325190968442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8659115 (or 8659112 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 1325190968442 in words is "one trillion, three hundred twenty-five billion, one hundred ninety million, nine hundred sixty-eight thousand, four hundred forty-two".