32012040 has 32 divisors (see below), whose sum is σ = 96036480. Its totient is φ = 8536512.

The previous prime is 32012039. The next prime is 32012047. The reversal of 32012040 is 4021023.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (32012047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133264 + ... + 133503.

It is an arithmetic number, because the mean of its divisors is an integer number (3001140).

Almost surely, 2^32012040 is an apocalyptic number.

32012040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32012040 is an abundant number, since it is smaller than the sum of its proper divisors (64024440).

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

32012040 is a wasteful number, since it uses less digits than its factorization.

32012040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266781 (or 266777 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 32012040 is about 5657.9183451160. The cubic root of 32012040 is about 317.5200227106.

Adding to 32012040 its reverse (4021023), we get a palindrome (36033063).

The spelling of 32012040 in words is "thirty-two million, twelve thousand, forty".