32502040040 has 32 divisors (see below), whose sum is σ = 73166280480. Its totient is φ = 12994293312.

The previous prime is 32502040009. The next prime is 32502040057. The reversal of 32502040040 is 4004020523.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 32502039994 and 32502040021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122714 + ... + 282953.

It is an arithmetic number, because the mean of its divisors is an integer number (2286446265).

Almost surely, 2^32502040040 is an apocalyptic number.

It is an amenable number.

32502040040 is an abundant number, since it is smaller than the sum of its proper divisors (40664240440).

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

32502040040 is a wasteful number, since it uses less digits than its factorization.

32502040040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407681 (or 407677 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 32502040040 its reverse (4004020523), we get a palindrome (36506060563).

The spelling of 32502040040 in words is "thirty-two billion, five hundred two million, forty thousand, forty".