895213347840 has 660 divisors, whose sum is σ = 3731768259516. Its totient is φ = 204615548928.

The previous prime is 895213347827. The next prime is 895213347841. The reversal of 895213347840 is 48743312598.

It is a happy number.

895213347840 is a `hidden beast` number, since 8 + 9 + 5 + 213 + 347 + 84 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 489373000704 + 405840347136 = 699552^2 + 637056^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (895213347841) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 20299254 + ... + 20343306.

Almost surely, 2^895213347840 is an apocalyptic number.

895213347840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 895213347840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1865884129758).

895213347840 is an abundant number, since it is smaller than the sum of its proper divisors (2836554911676).

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

895213347840 is a wasteful number, since it uses less digits than its factorization.

895213347840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44104 (or 44070 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 895213347840 in words is "eight hundred ninety-five billion, two hundred thirteen million, three hundred forty-seven thousand, eight hundred forty".