1864494880334 has 32 divisors (see below), whose sum is σ = 2856813926400. Its totient is φ = 912438101952.

The previous prime is 1864494880267. The next prime is 1864494880379. The reversal of 1864494880334 is 4330884944681.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 14540987 + ... + 14668649.

It is an arithmetic number, because the mean of its divisors is an integer number (89275435200).

Almost surely, 2^{1864494880334} is an apocalyptic number.

1864494880334 is a deficient number, since it is larger than the sum of its proper divisors (992319046066).

1864494880334 is a wasteful number, since it uses less digits than its factorization.

1864494880334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128504.

The product of its (nonzero) digits is 63700992, while the sum is 62.

The spelling of 1864494880334 in words is "one trillion, eight hundred sixty-four billion, four hundred ninety-four million, eight hundred eighty thousand, three hundred thirty-four".