1889040054 has 16 divisors (see below), whose sum is σ = 4121542080. Its totient is φ = 572436360.

The previous prime is 1889040011. The next prime is 1889040061. The reversal of 1889040054 is 4500409881.

It is a junction number, because it is equal to n+sod(n) for n = 1889039994 and 1889040021.

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, 14310844 + ... + 14310975.

It is an arithmetic number, because the mean of its divisors is an integer number (257596380).

Almost surely, 2^1889040054 is an apocalyptic number.

1889040054 is an abundant number, since it is smaller than the sum of its proper divisors (2232502026).

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

1889040054 is a wasteful number, since it uses less digits than its factorization.

1889040054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28621835.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 1889040054 is about 43463.0884084415. The cubic root of 1889040054 is about 1236.1762311423.

The spelling of 1889040054 in words is "one billion, eight hundred eighty-nine million, forty thousand, fifty-four".