172103027240 has 16 divisors (see below), whose sum is σ = 387231811380. Its totient is φ = 68841210880.

The previous prime is 172103027227. The next prime is 172103027281. The reversal of 172103027240 is 42720301271.

It can be written as a sum of positive squares in 2 ways, for example, as 172060699204 + 42328036 = 414802^2 + 6506^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2151287801 + ... + 2151287880.

Almost surely, 2^172103027240 is an apocalyptic number.

172103027240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172103027240 is an abundant number, since it is smaller than the sum of its proper divisors (215128784140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172103027240 is a wasteful number, since it uses less digits than its factorization.

172103027240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4302575692 (or 4302575688 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The spelling of 172103027240 in words is "one hundred seventy-two billion, one hundred three million, twenty-seven thousand, two hundred forty".