895447016640 has 1120 divisors, whose sum is σ = 3779429315904. Its totient is φ = 198747095040.

The previous prime is 895447016591. The next prime is 895447016641. The reversal of 895447016640 is 46610744598.

895447016640 is a `hidden beast` number, since 8 + 9 + 5 + 4 + 470 + 166 + 4 + 0 = 666.

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 (895447016641) 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 159 ways as a sum of consecutive naturals, for example, 179337984 + ... + 179342976.

Almost surely, 2^895447016640 is an apocalyptic number.

895447016640 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 895447016640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1889714657952).

895447016640 is an abundant number, since it is smaller than the sum of its proper divisors (2883982299264).

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

895447016640 is a wasteful number, since it uses less digits than its factorization.

895447016640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087 (or 5068 counting only the distinct ones).

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

The spelling of 895447016640 in words is "eight hundred ninety-five billion, four hundred forty-seven million, sixteen thousand, six hundred forty".