1938081242004 has 24 divisors (see below), whose sum is σ = 4524146440128. Its totient is φ = 645747527040.

The previous prime is 1938081241981. The next prime is 1938081242011. The reversal of 1938081242004 is 4002421808391.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34915317 + ... + 34970780.

It is an arithmetic number, because the mean of its divisors is an integer number (188506101672).

Almost surely, 2^{1938081242004} is an apocalyptic number.

It is an amenable number.

1938081242004 is an abundant number, since it is smaller than the sum of its proper divisors (2586065198124).

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

1938081242004 is a wasteful number, since it uses less digits than its factorization.

1938081242004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69888415 (or 69888413 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The spelling of 1938081242004 in words is "one trillion, nine hundred thirty-eight billion, eighty-one million, two hundred forty-two thousand, four".