894494332820 has 48 divisors (see below), whose sum is σ = 2070331075008. Its totient is φ = 321917352960.

The previous prime is 894494332817. The next prime is 894494332861. The reversal of 894494332820 is 28233494498.

It is a super-2 number, since 2×894494332820² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20936822 + ... + 20979501.

It is an arithmetic number, because the mean of its divisors is an integer number (43131897396).

Almost surely, 2^894494332820 is an apocalyptic number.

It is an amenable number.

894494332820 is an abundant number, since it is smaller than the sum of its proper divisors (1175836742188).

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

894494332820 is a wasteful number, since it uses less digits than its factorization.

894494332820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41916440 (or 41916438 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 56.

The spelling of 894494332820 in words is "eight hundred ninety-four billion, four hundred ninety-four million, three hundred thirty-two thousand, eight hundred twenty".