172342950912 has 440 divisors, whose sum is σ = 573524202240. Its totient is φ = 51101245440.

The previous prime is 172342950889. The next prime is 172342950943. The reversal of 172342950912 is 219059243271.

172342950912 is a `hidden beast` number, since 172 + 3 + 429 + 50 + 9 + 1 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 42880039 + ... + 42884057.

It is an arithmetic number, because the mean of its divisors is an integer number (1303464096).

Almost surely, 2^172342950912 is an apocalyptic number.

172342950912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172342950912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286762101120).

172342950912 is an abundant number, since it is smaller than the sum of its proper divisors (401181251328).

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

172342950912 is a wasteful number, since it uses less digits than its factorization.

172342950912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4109 (or 4082 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 172342950912 in words is "one hundred seventy-two billion, three hundred forty-two million, nine hundred fifty thousand, nine hundred twelve".