1894016144 has 20 divisors (see below), whose sum is σ = 3829207296. Its totient is φ = 905833632.

The previous prime is 1894016143. The next prime is 1894016183. The reversal of 1894016144 is 4416104981.

It is a junction number, because it is equal to n+sod(n) for n = 1894016098 and 1894016107.

It is not an unprimeable number, because it can be changed into a prime (1894016143) 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, 2573024 + ... + 2573759.

Almost surely, 2^1894016144 is an apocalyptic number.

It is an amenable number.

1894016144 is an abundant number, since it is smaller than the sum of its proper divisors (1935191152).

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

1894016144 is a wasteful number, since it uses less digits than its factorization.

1894016144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5146814 (or 5146808 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 1894016144 is about 43520.2957710538. The cubic root of 1894016144 is about 1237.2607203794.

The spelling of 1894016144 in words is "one billion, eight hundred ninety-four million, sixteen thousand, one hundred forty-four".