1428586578642 has 16 divisors (see below), whose sum is σ = 3025242166752. Its totient is φ = 448184024640.

The previous prime is 1428586578641. The next prime is 1428586578667. The reversal of 1428586578642 is 2468756858241.

It is a happy number.

It is a super-2 number, since 2×1428586578642² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1428586578641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7002875284 + ... + 7002875487.

It is an arithmetic number, because the mean of its divisors is an integer number (189077635422).

Almost surely, 2^{1428586578642} is an apocalyptic number.

1428586578642 is an abundant number, since it is smaller than the sum of its proper divisors (1596655588110).

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

1428586578642 is a wasteful number, since it uses less digits than its factorization.

1428586578642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14005750793.

The product of its digits is 206438400, while the sum is 66.

The spelling of 1428586578642 in words is "one trillion, four hundred twenty-eight billion, five hundred eighty-six million, five hundred seventy-eight thousand, six hundred forty-two".