32405138461 has 8 divisors (see below), whose sum is σ = 33777686240. Its totient is φ = 31058734608.

The previous prime is 32405138459. The next prime is 32405138483. The reversal of 32405138461 is 16483150423.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32405138461 - 2¹ = 32405138459 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32405138461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32405138401) 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, 6533451 + ... + 6538408.

It is an arithmetic number, because the mean of its divisors is an integer number (4222210780).

Almost surely, 2^32405138461 is an apocalyptic number.

It is an amenable number.

32405138461 is a deficient number, since it is larger than the sum of its proper divisors (1372547779).

32405138461 is a wasteful number, since it uses less digits than its factorization.

32405138461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13071963.

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 32405138461 its reverse (16483150423), we get a palindrome (48888288884).

The spelling of 32405138461 in words is "thirty-two billion, four hundred five million, one hundred thirty-eight thousand, four hundred sixty-one".