1839669042 has 32 divisors (see below), whose sum is σ = 3907008000. Its totient is φ = 575486208.

The previous prime is 1839669023. The next prime is 1839669047. The reversal of 1839669042 is 2409669381.

It is a junction number, because it is equal to n+sod(n) for n = 1839668982 and 1839669000.

It is not an unprimeable number, because it can be changed into a prime (1839669047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9759 + ... + 61437.

It is an arithmetic number, because the mean of its divisors is an integer number (122094000).

Almost surely, 2^1839669042 is an apocalyptic number.

1839669042 is an abundant number, since it is smaller than the sum of its proper divisors (2067338958).

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

1839669042 is a wasteful number, since it uses less digits than its factorization.

1839669042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52050.

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 1839669042 is about 42891.3632564879. The cubic root of 1839669042 is about 1225.3116612538.

The spelling of 1839669042 in words is "one billion, eight hundred thirty-nine million, six hundred sixty-nine thousand, forty-two".