32447350540 has 48 divisors (see below), whose sum is σ = 76342974624. Its totient is φ = 11480140800.

The previous prime is 32447350531. The next prime is 32447350541. The reversal of 32447350540 is 4505374423.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 32447350540.

It is not an unprimeable number, because it can be changed into a prime (32447350541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1984941 + ... + 2001220.

It is an arithmetic number, because the mean of its divisors is an integer number (1590478638).

Almost surely, 2^32447350540 is an apocalyptic number.

It is an amenable number.

32447350540 is an abundant number, since it is smaller than the sum of its proper divisors (43895624084).

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

32447350540 is a wasteful number, since it uses less digits than its factorization.

32447350540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3986218 (or 3986216 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 37.

The spelling of 32447350540 in words is "thirty-two billion, four hundred forty-seven million, three hundred fifty thousand, five hundred forty".