1894363482042 has 48 divisors (see below), whose sum is σ = 4441535017920. Its totient is φ = 603999947232.

The previous prime is 1894363482029. The next prime is 1894363482043. The reversal of 1894363482042 is 2402843634981.

It is a happy number.

1894363482042 is a `hidden beast` number, since 1 + 8 + 94 + 3 + 6 + 348 + 204 + 2 = 666.

It is a super-2 number, since 2×1894363482042² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 1894363482042.

It is not an unprimeable number, because it can be changed into a prime (1894363482043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84725067 + ... + 84747422.

It is an arithmetic number, because the mean of its divisors is an integer number (92531979540).

Almost surely, 2^{1894363482042} is an apocalyptic number.

1894363482042 is an abundant number, since it is smaller than the sum of its proper divisors (2547171535878).

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

1894363482042 is a wasteful number, since it uses less digits than its factorization.

1894363482042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169472529 (or 169472517 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 54.

The spelling of 1894363482042 in words is "one trillion, eight hundred ninety-four billion, three hundred sixty-three million, four hundred eighty-two thousand, forty-two".