1889416944 has 60 divisors (see below), whose sum is σ = 5377390200. Its totient is φ = 619128192.

The previous prime is 1889416939. The next prime is 1889416979. The reversal of 1889416944 is 4496149881.

It is a happy number.

1889416944 is a `hidden beast` number, since 188 + 9 + 416 + 9 + 44 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102699 + ... + 119690.

It is an arithmetic number, because the mean of its divisors is an integer number (89623170).

Almost surely, 2^1889416944 is an apocalyptic number.

It is an amenable number.

1889416944 is an abundant number, since it is smaller than the sum of its proper divisors (3487973256).

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

1889416944 is a wasteful number, since it uses less digits than its factorization.

1889416944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222462 (or 222453 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The square root of 1889416944 is about 43467.4239402337. The cubic root of 1889416944 is about 1236.2584371773.

The spelling of 1889416944 in words is "one billion, eight hundred eighty-nine million, four hundred sixteen thousand, nine hundred forty-four".