855130464 has 72 divisors (see below), whose sum is σ = 2574837720. Its totient is φ = 268274688.

The previous prime is 855130459. The next prime is 855130469. The reversal of 855130464 is 464031558.

It is a happy number.

855130464 is a `hidden beast` number, since 85 + 513 + 0 + 4 + 64 = 666.

It is an interprime number because it is at equal distance from previous prime (855130459) and next prime (855130469).

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×855130464² = 1462496220921710592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855130469) 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, 82434 + ... + 92225.

It is an arithmetic number, because the mean of its divisors is an integer number (35761635).

Almost surely, 2^855130464 is an apocalyptic number.

It is an amenable number.

855130464 is an abundant number, since it is smaller than the sum of its proper divisors (1719707256).

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

855130464 is a wasteful number, since it uses less digits than its factorization.

855130464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174692 (or 174681 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 855130464 is about 29242.6138366597. The cubic root of 855130464 is about 949.1702686896.

The spelling of 855130464 in words is "eight hundred fifty-five million, one hundred thirty thousand, four hundred sixty-four".