172641600042 has 32 divisors (see below), whose sum is σ = 346091085312. Its totient is φ = 57412675584.

The previous prime is 172641600037. The next prime is 172641600091. The reversal of 172641600042 is 240006146271.

It is a junction number, because it is equal to n+sod(n) for n = 172641599976 and 172641600012.

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, 6054663 + ... + 6083109.

It is an arithmetic number, because the mean of its divisors is an integer number (10815346416).

Almost surely, 2^172641600042 is an apocalyptic number.

172641600042 is an abundant number, since it is smaller than the sum of its proper divisors (173449485270).

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

172641600042 is a wasteful number, since it uses less digits than its factorization.

172641600042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30782.

The product of its (nonzero) digits is 16128, while the sum is 33.

The spelling of 172641600042 in words is "one hundred seventy-two billion, six hundred forty-one million, six hundred thousand, forty-two".