332540520 has 128 divisors (see below), whose sum is σ = 1092873600. Its totient is φ = 80446464.

The previous prime is 332540491. The next prime is 332540561. The reversal of 332540520 is 25045233.

It is a super-2 number, since 2×332540520² = 221166394883740800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 90234 + ... + 93846.

It is an arithmetic number, because the mean of its divisors is an integer number (8538075).

Almost surely, 2^332540520 is an apocalyptic number.

332540520 is a gapful number since it is divisible by the number (30) 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 332540520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546436800).

332540520 is an abundant number, since it is smaller than the sum of its proper divisors (760333080).

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

332540520 is a wasteful number, since it uses less digits than its factorization.

332540520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3699 (or 3695 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 332540520 is about 18235.6935705775. The cubic root of 332540520 is about 692.8111318964.

Adding to 332540520 its reverse (25045233), we get a palindrome (357585753).

The spelling of 332540520 in words is "three hundred thirty-two million, five hundred forty thousand, five hundred twenty".