275649232406 has 8 divisors (see below), whose sum is σ = 413478289920. Its totient is φ = 137823135768.

The previous prime is 275649232399. The next prime is 275649232409. The reversal of 275649232406 is 604232946572.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275649232409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 490646 + ... + 889961.

It is an arithmetic number, because the mean of its divisors is an integer number (51684786240).

Almost surely, 2^275649232406 is an apocalyptic number.

275649232406 is a deficient number, since it is larger than the sum of its proper divisors (137829057514).

275649232406 is a wasteful number, since it uses less digits than its factorization.

275649232406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480438.

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 275649232406 in words is "two hundred seventy-five billion, six hundred forty-nine million, two hundred thirty-two thousand, four hundred six".