32151332240 has 40 divisors (see below), whose sum is σ = 74886155640. Its totient is φ = 12837426176.

The previous prime is 32151332179. The next prime is 32151332309. The reversal of 32151332240 is 4223315123.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4276624 + 32147055616 = 2068^2 + 179296^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316205 + ... + 405324.

It is an arithmetic number, because the mean of its divisors is an integer number (1872153891).

Almost surely, 2^32151332240 is an apocalyptic number.

It is an amenable number.

32151332240 is an abundant number, since it is smaller than the sum of its proper divisors (42734823400).

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

32151332240 is a wasteful number, since it uses less digits than its factorization.

32151332240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722099 (or 722093 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 32151332240 its reverse (4223315123), we get a palindrome (36374647363).

The spelling of 32151332240 in words is "thirty-two billion, one hundred fifty-one million, three hundred thirty-two thousand, two hundred forty".