32112040 has 32 divisors (see below), whose sum is σ = 72576000. Its totient is φ = 12787264.

The previous prime is 32112029. The next prime is 32112049. The reversal of 32112040 is 4021123.

32112040 = 241² + 242² + ... + 479².

It is a super-2 number, since 2×32112040² = 2062366225923200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32112040.

It is not an unprimeable number, because it can be changed into a prime (32112049) 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, 7881 + ... + 11239.

It is an arithmetic number, because the mean of its divisors is an integer number (2268000).

Almost surely, 2^32112040 is an apocalyptic number.

It is an amenable number.

32112040 is an abundant number, since it is smaller than the sum of its proper divisors (40463960).

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

32112040 is a wasteful number, since it uses less digits than its factorization.

32112040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3609 (or 3605 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 32112040 is about 5666.7486268583. The cubic root of 32112040 is about 317.8503046605.

Adding to 32112040 its reverse (4021123), we get a palindrome (36133163).

The spelling of 32112040 in words is "thirty-two million, one hundred twelve thousand, forty".