32040421155 has 56 divisors (see below), whose sum is σ = 57715646400. Its totient is φ = 17067697920.

The previous prime is 32040421141. The next prime is 32040421201. The reversal of 32040421155 is 55112404023.

It is not a de Polignac number, because 32040421155 - 2⁵ = 32040421123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 3315771 + ... + 3325419.

Almost surely, 2^32040421155 is an apocalyptic number.

32040421155 is a deficient number, since it is larger than the sum of its proper divisors (25675225245).

32040421155 is an frugal number, since it uses more digits than its factorization.

32040421155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10583 (or 10568 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 32040421155 its reverse (55112404023), we get a palindrome (87152825178).

The spelling of 32040421155 in words is "thirty-two billion, forty million, four hundred twenty-one thousand, one hundred fifty-five".