172026040 has 32 divisors (see below), whose sum is σ = 390685680. Its totient is φ = 68165632.

The previous prime is 172026017. The next prime is 172026059. The reversal of 172026040 is 40620271.

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 7 ways as a sum of consecutive naturals, for example, 15817 + ... + 24376.

Almost surely, 2^172026040 is an apocalyptic number.

172026040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172026040 is an abundant number, since it is smaller than the sum of its proper divisors (218659640).

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

172026040 is a wasteful number, since it uses less digits than its factorization.

172026040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40311 (or 40307 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 172026040 is about 13115.8697767247. The cubic root of 172026040 is about 556.1578403898.

The spelling of 172026040 in words is "one hundred seventy-two million, twenty-six thousand, forty".