172850340057210 has 48 divisors (see below), whose sum is σ = 450846701743464. Its totient is φ = 45946160672256.

The previous prime is 172850340057191. The next prime is 172850340057211. The reversal of 172850340057210 is 12750043058271.

172850340057210 is a `hidden beast` number, since 1 + 7 + 28 + 5 + 0 + 3 + 40 + 0 + 572 + 10 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 107672603124681 + 65177736932529 = 10376541^2 + 8073273^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (172850340057211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3067957987 + ... + 3068014326.

Almost surely, 2^{172850340057210} is an apocalyptic number.

172850340057210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172850340057210 is an abundant number, since it is smaller than the sum of its proper divisors (277996361686254).

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

172850340057210 is a wasteful number, since it uses less digits than its factorization.

172850340057210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6135972639 (or 6135972636 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The spelling of 172850340057210 in words is "one hundred seventy-two trillion, eight hundred fifty billion, three hundred forty million, fifty-seven thousand, two hundred ten".