32440030 has 32 divisors (see below), whose sum is σ = 70248960. Its totient is φ = 10536480.

The previous prime is 32440003. The next prime is 32440039. The reversal of 32440030 is 3004423.

It is a junction number, because it is equal to n+sod(n) for n = 32439986 and 32440013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32440039) 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, 10866 + ... + 13525.

It is an arithmetic number, because the mean of its divisors is an integer number (2195280).

Almost surely, 2^32440030 is an apocalyptic number.

32440030 is an abundant number, since it is smaller than the sum of its proper divisors (37808930).

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

32440030 is a wasteful number, since it uses less digits than its factorization.

32440030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24424.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 32440030 is about 5695.6149799649. The cubic root of 32440030 is about 318.9288075325.

Adding to 32440030 its reverse (3004423), we get a palindrome (35444453).

The spelling of 32440030 in words is "thirty-two million, four hundred forty thousand, thirty".