32620145435240 has 64 divisors (see below), whose sum is σ = 80068884048000. Its totient is φ = 11861685239040.

The previous prime is 32620145435237. The next prime is 32620145435281. The reversal of 32620145435240 is 4253454102623.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29280341 + ... + 30373979.

It is an arithmetic number, because the mean of its divisors is an integer number (1251076313250).

Almost surely, 2^{32620145435240} is an apocalyptic number.

It is an amenable number.

32620145435240 is an abundant number, since it is smaller than the sum of its proper divisors (47448738612760).

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

32620145435240 is a wasteful number, since it uses less digits than its factorization.

32620145435240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161450 (or 1161446 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 32620145435240 its reverse (4253454102623), we get a palindrome (36873599537863).

The spelling of 32620145435240 in words is "thirty-two trillion, six hundred twenty billion, one hundred forty-five million, four hundred thirty-five thousand, two hundred forty".