1885142044 has 12 divisors (see below), whose sum is σ = 3300703168. Its totient is φ = 942084000.

The previous prime is 1885142041. The next prime is 1885142069. The reversal of 1885142044 is 4402415881.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1885141994 and 1885142012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1885142041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112977 + ... + 128584.

Almost surely, 2^1885142044 is an apocalyptic number.

It is an amenable number.

1885142044 is a deficient number, since it is larger than the sum of its proper divisors (1415561124).

1885142044 is a wasteful number, since it uses less digits than its factorization.

1885142044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243516 (or 243514 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 37.

The square root of 1885142044 is about 43418.2224877988. Note that the first 3 decimals coincide. The cubic root of 1885142044 is about 1235.3253676756.

The spelling of 1885142044 in words is "one billion, eight hundred eighty-five million, one hundred forty-two thousand, forty-four".