32540456 has 32 divisors (see below), whose sum is σ = 66208800. Its totient is φ = 14904000.

The previous prime is 32540413. The next prime is 32540461. The reversal of 32540456 is 65404523.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13331 + ... + 15581.

It is an arithmetic number, because the mean of its divisors is an integer number (2069025).

Almost surely, 2^32540456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32540456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33104400).

32540456 is an abundant number, since it is smaller than the sum of its proper divisors (33668344).

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

32540456 is a wasteful number, since it uses less digits than its factorization.

32540456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409 (or 2405 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 32540456 is about 5704.4242478974. The cubic root of 32540456 is about 319.2575757265.

Adding to 32540456 its reverse (65404523), we get a palindrome (97944979).

The spelling of 32540456 in words is "thirty-two million, five hundred forty thousand, four hundred fifty-six".