1895130864 has 320 divisors, whose sum is σ = 6209602560. Its totient is φ = 548352000.

The previous prime is 1895130827. The next prime is 1895130869. The reversal of 1895130864 is 4680315981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1895130869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13833004 + ... + 13833140.

It is an arithmetic number, because the mean of its divisors is an integer number (19405008).

Almost surely, 2^1895130864 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 1895130864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3104801280).

1895130864 is an abundant number, since it is smaller than the sum of its proper divisors (4314471696).

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

1895130864 is a wasteful number, since it uses less digits than its factorization.

1895130864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 1895130864 is about 43533.1007854942. The cubic root of 1895130864 is about 1237.5034020108.

The spelling of 1895130864 in words is "one billion, eight hundred ninety-five million, one hundred thirty thousand, eight hundred sixty-four".