1428340337044 has 12 divisors (see below), whose sum is σ = 2499612380244. Its totient is φ = 714165371264.

The previous prime is 1428340337027. The next prime is 1428340337141. The reversal of 1428340337044 is 4407330438241.

It can be written as a sum of positive squares in 2 ways, for example, as 673978605444 + 754361731600 = 820962^2 + 868540^2 .

It is a super-2 number, since 2×1428340337044² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481687 + ... + 1757470.

It is an arithmetic number, because the mean of its divisors is an integer number (208301031687).

Almost surely, 2^{1428340337044} is an apocalyptic number.

It is an amenable number.

1428340337044 is a deficient number, since it is larger than the sum of its proper divisors (1071272043200).

1428340337044 is a wasteful number, since it uses less digits than its factorization.

1428340337044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398634 (or 2398632 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 43.

The spelling of 1428340337044 in words is "one trillion, four hundred twenty-eight billion, three hundred forty million, three hundred thirty-seven thousand, forty-four".