172026945630 has 48 divisors (see below), whose sum is σ = 470810592720. Its totient is φ = 43459438464.

The previous prime is 172026945619. The next prime is 172026945691. The reversal of 172026945630 is 36549620271.

172026945630 is a `hidden beast` number, since 1 + 7 + 2 + 0 + 2 + 6 + 9 + 4 + 5 + 630 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50298567 + ... + 50301986.

It is an arithmetic number, because the mean of its divisors is an integer number (9808554015).

Almost surely, 2^172026945630 is an apocalyptic number.

172026945630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172026945630 is an abundant number, since it is smaller than the sum of its proper divisors (298783647090).

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

172026945630 is a wasteful number, since it uses less digits than its factorization.

172026945630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100600585 (or 100600582 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 172026945630 in words is "one hundred seventy-two billion, twenty-six million, nine hundred forty-five thousand, six hundred thirty".