1064186442 has 48 divisors (see below), whose sum is σ = 2526537312. Its totient is φ = 321046560.

The previous prime is 1064186437. The next prime is 1064186449. The reversal of 1064186442 is 2446814601.

It is a happy number.

1064186442 is a `hidden beast` number, since 1 + 0 + 6 + 4 + 1 + 8 + 644 + 2 = 666.

It is a super-2 number, since 2×1064186442² = 2264985566673238728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1064186397 and 1064186406.

It is not an unprimeable number, because it can be changed into a prime (1064186449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33108 + ... + 56784.

It is an arithmetic number, because the mean of its divisors is an integer number (52636194).

Almost surely, 2^1064186442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1064186442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1263268656).

1064186442 is an abundant number, since it is smaller than the sum of its proper divisors (1462350870).

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

1064186442 is a wasteful number, since it uses less digits than its factorization.

1064186442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23923 (or 23920 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 1064186442 is about 32621.8706085350. The cubic root of 1064186442 is about 1020.9533704514.

The spelling of 1064186442 in words is "one billion, sixty-four million, one hundred eighty-six thousand, four hundred forty-two".