32616405040 has 20 divisors (see below), whose sum is σ = 75833141904. Its totient is φ = 13046561984.

The previous prime is 32616405023. The next prime is 32616405097. The reversal of 32616405040 is 4050461623.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 32616404993 and 32616405011.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203852452 + ... + 203852611.

Almost surely, 2^32616405040 is an apocalyptic number.

It is an amenable number.

32616405040 is an abundant number, since it is smaller than the sum of its proper divisors (43216736864).

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

32616405040 is a wasteful number, since it uses less digits than its factorization.

32616405040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407705076 (or 407705070 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 32616405040 its reverse (4050461623), we get a palindrome (36666866663).

The spelling of 32616405040 in words is "thirty-two billion, six hundred sixteen million, four hundred five thousand, forty".