1894056528 has 160 divisors (see below), whose sum is σ = 6055168000. Its totient is φ = 496793088.

The previous prime is 1894056523. The next prime is 1894056551. The reversal of 1894056528 is 8256504981.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1894056523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 868143 + ... + 870321.

It is an arithmetic number, because the mean of its divisors is an integer number (37844800).

Almost surely, 2^1894056528 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1894056528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3027584000).

1894056528 is an abundant number, since it is smaller than the sum of its proper divisors (4161111472).

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

1894056528 is a wasteful number, since it uses less digits than its factorization.

1894056528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409 (or 2403 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 48.

The square root of 1894056528 is about 43520.7597360156. The cubic root of 1894056528 is about 1237.2695138950.

The spelling of 1894056528 in words is "one billion, eight hundred ninety-four million, fifty-six thousand, five hundred twenty-eight".