526423320 has 64 divisors (see below), whose sum is σ = 1754748000. Its totient is φ = 140379264.

The previous prime is 526423259. The next prime is 526423321. The reversal of 526423320 is 23324625.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526423321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242635 + ... + 244794.

Almost surely, 2^526423320 is an apocalyptic number.

It is an amenable number.

526423320 is an abundant number, since it is smaller than the sum of its proper divisors (1228324680).

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

526423320 is a wasteful number, since it uses less digits than its factorization.

526423320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487449 (or 487439 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 526423320 is about 22943.9168408535. The cubic root of 526423320 is about 807.4426890796.

Adding to 526423320 its reverse (23324625), we get a palindrome (549747945).

The spelling of 526423320 in words is "five hundred twenty-six million, four hundred twenty-three thousand, three hundred twenty".