32440528 has 40 divisors (see below), whose sum is σ = 64817280. Its totient is φ = 15720960.

The previous prime is 32440523. The next prime is 32440547. The reversal of 32440528 is 82504423.

It is a junction number, because it is equal to n+sod(n) for n = 32440496 and 32440505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32440523) by changing a digit.

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, 134488 + ... + 134728.

It is an arithmetic number, because the mean of its divisors is an integer number (1620432).

Almost surely, 2^32440528 is an apocalyptic number.

It is an amenable number.

32440528 is a deficient number, since it is larger than the sum of its proper divisors (32376752).

32440528 is a wasteful number, since it uses less digits than its factorization.

32440528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 469 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 32440528 is about 5695.6586976398. The cubic root of 32440528 is about 318.9304395257.

The spelling of 32440528 in words is "thirty-two million, four hundred forty thousand, five hundred twenty-eight".