32540209425 has 36 divisors (see below), whose sum is σ = 60163244544. Its totient is φ = 16794943200.

The previous prime is 32540209393. The next prime is 32540209433. The reversal of 32540209425 is 52490204523.

32540209425 is a `hidden beast` number, since 3 + 2 + 540 + 2 + 0 + 94 + 25 = 666.

It is not a de Polignac number, because 32540209425 - 2⁵ = 32540209393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32540209425.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2325657 + ... + 2339606.

Almost surely, 2^32540209425 is an apocalyptic number.

It is an amenable number.

32540209425 is a deficient number, since it is larger than the sum of its proper divisors (27623035119).

32540209425 is a wasteful number, since it uses less digits than its factorization.

32540209425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4665310 (or 4665302 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 32540209425 in words is "thirty-two billion, five hundred forty million, two hundred nine thousand, four hundred twenty-five".