895472640 has 132 divisors (see below), whose sum is σ = 3102949044. Its totient is φ = 238780416.

The previous prime is 895472629. The next prime is 895472647. The reversal of 895472640 is 46274598.

It is a happy number.

895472640 is a `hidden beast` number, since 89 + 547 + 26 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 183223296 + 712249344 = 13536^2 + 26688^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (895472647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36364 + ... + 55796.

Almost surely, 2^895472640 is an apocalyptic number.

895472640 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 895472640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1551474522).

895472640 is an abundant number, since it is smaller than the sum of its proper divisors (2207476404).

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

895472640 is a wasteful number, since it uses less digits than its factorization.

895472640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19464 (or 19443 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 895472640 is about 29924.4488671053. The cubic root of 895472640 is about 963.8677297673.

The spelling of 895472640 in words is "eight hundred ninety-five million, four hundred seventy-two thousand, six hundred forty".