32507421646 has 16 divisors (see below), whose sum is σ = 57648630240. Its totient is φ = 13451346720.

The previous prime is 32507421577. The next prime is 32507421649. The reversal of 32507421646 is 64612470523.

It is a junction number, because it is equal to n+sod(n) for n = 32507421599 and 32507421608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32507421649) 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, 40033365 + ... + 40034176.

It is an arithmetic number, because the mean of its divisors is an integer number (3603039390).

Almost surely, 2^32507421646 is an apocalyptic number.

32507421646 is a deficient number, since it is larger than the sum of its proper divisors (25141208594).

32507421646 is a wasteful number, since it uses less digits than its factorization.

32507421646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80067579.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 32507421646 in words is "thirty-two billion, five hundred seven million, four hundred twenty-one thousand, six hundred forty-six".