1428329635242 has 64 divisors (see below), whose sum is σ = 2941853376000. Its totient is φ = 462144890880.

The previous prime is 1428329635231. The next prime is 1428329635261. The reversal of 1428329635242 is 2425369238241.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12332559 + ... + 12447837.

It is an arithmetic number, because the mean of its divisors is an integer number (45966459000).

Almost surely, 2^{1428329635242} is an apocalyptic number.

1428329635242 is an abundant number, since it is smaller than the sum of its proper divisors (1513523740758).

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

1428329635242 is a wasteful number, since it uses less digits than its factorization.

1428329635242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115791.

The product of its digits is 4976640, while the sum is 51.

The spelling of 1428329635242 in words is "one trillion, four hundred twenty-eight billion, three hundred twenty-nine million, six hundred thirty-five thousand, two hundred forty-two".