32511412240 has 40 divisors (see below), whose sum is σ = 79567407360. Its totient is φ = 12320113536.

The previous prime is 32511412211. The next prime is 32511412247. The reversal of 32511412240 is 4221411523.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (32511412247) 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, 10693024 + ... + 10696063.

It is an arithmetic number, because the mean of its divisors is an integer number (1989185184).

Almost surely, 2^32511412240 is an apocalyptic number.

It is an amenable number.

32511412240 is an abundant number, since it is smaller than the sum of its proper divisors (47055995120).

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

32511412240 is a wasteful number, since it uses less digits than its factorization.

32511412240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21389119 (or 21389113 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 32511412240 its reverse (4221411523), we get a palindrome (36732823763).

The spelling of 32511412240 in words is "thirty-two billion, five hundred eleven million, four hundred twelve thousand, two hundred forty".