32540400505 has 8 divisors (see below), whose sum is σ = 40000882824. Its totient is φ = 25397385600.

The previous prime is 32540400493. The next prime is 32540400511. The reversal of 32540400505 is 50500404523.

It can be written as a sum of positive squares in 4 ways, for example, as 429194089 + 32111206416 = 20717^2 + 179196^2 .

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

It is not a de Polignac number, because 32540400505 - 2¹⁵ = 32540367737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79366626 + ... + 79367035.

It is an arithmetic number, because the mean of its divisors is an integer number (5000110353).

Almost surely, 2^32540400505 is an apocalyptic number.

It is an amenable number.

32540400505 is a deficient number, since it is larger than the sum of its proper divisors (7460482319).

32540400505 is a wasteful number, since it uses less digits than its factorization.

32540400505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158733707.

The product of its (nonzero) digits is 12000, while the sum is 28.

The spelling of 32540400505 in words is "thirty-two billion, five hundred forty million, four hundred thousand, five hundred five".