172203150040 has 64 divisors (see below), whose sum is σ = 404462289600. Its totient is φ = 65860472832.

The previous prime is 172203150019. The next prime is 172203150059. The reversal of 172203150040 is 40051302271.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 172203149987 and 172203150014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2386816 + ... + 2457904.

It is an arithmetic number, because the mean of its divisors is an integer number (6319723275).

Almost surely, 2^172203150040 is an apocalyptic number.

172203150040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172203150040 is an abundant number, since it is smaller than the sum of its proper divisors (232259139560).

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

172203150040 is a wasteful number, since it uses less digits than its factorization.

172203150040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73756 (or 73752 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The spelling of 172203150040 in words is "one hundred seventy-two billion, two hundred three million, one hundred fifty thousand, forty".