1895298752872 has 128 divisors (see below), whose sum is σ = 4142477376000. Its totient is φ = 796190008320.

The previous prime is 1895298752843. The next prime is 1895298752939. The reversal of 1895298752872 is 2782578925981.

It is a junction number, because it is equal to n+sod(n) for n = 1895298752795 and 1895298752804.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1009747998 + ... + 1009749874.

It is an arithmetic number, because the mean of its divisors is an integer number (32363104500).

Almost surely, 2^{1895298752872} 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 1895298752872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2071238688000).

1895298752872 is an abundant number, since it is smaller than the sum of its proper divisors (2247178623128).

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

1895298752872 is a wasteful number, since it uses less digits than its factorization.

1895298752872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3299 (or 3295 counting only the distinct ones).

The product of its digits is 406425600, while the sum is 73.

The spelling of 1895298752872 in words is "one trillion, eight hundred ninety-five billion, two hundred ninety-eight million, seven hundred fifty-two thousand, eight hundred seventy-two".