825328206480 has 80 divisors (see below), whose sum is σ = 2596704318144. Its totient is φ = 216802629120.

The previous prime is 825328206463. The next prime is 825328206481. The reversal of 825328206480 is 84602823528.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×825328206480² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (825328206481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25647111 + ... + 25679270.

Almost surely, 2^825328206480 is an apocalyptic number.

825328206480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

825328206480 is an abundant number, since it is smaller than the sum of its proper divisors (1771376111664).

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

825328206480 is a wasteful number, since it uses less digits than its factorization.

825328206480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51326464 (or 51326458 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 48.

The spelling of 825328206480 in words is "eight hundred twenty-five billion, three hundred twenty-eight million, two hundred six thousand, four hundred eighty".