172042999030 has 32 divisors (see below), whose sum is σ = 357421170240. Its totient is φ = 58402147200.

The previous prime is 172042998989. The next prime is 172042999031. The reversal of 172042999030 is 30999240271.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172042999031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12160045 + ... + 12174184.

It is an arithmetic number, because the mean of its divisors is an integer number (11169411570).

Almost surely, 2^172042999030 is an apocalyptic number.

172042999030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172042999030 is an abundant number, since it is smaller than the sum of its proper divisors (185378171210).

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

172042999030 is a wasteful number, since it uses less digits than its factorization.

172042999030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24334344.

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 172042999030 in words is "one hundred seventy-two billion, forty-two million, nine hundred ninety-nine thousand, thirty".