171412040 has 32 divisors (see below), whose sum is σ = 398979000. Its totient is φ = 66200064.

The previous prime is 171412039. The next prime is 171412079. The reversal of 171412040 is 40214171.

It can be written as a sum of positive squares in 4 ways, for example, as 109286116 + 62125924 = 10454^2 + 7882^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72725 + ... + 75044.

Almost surely, 2^171412040 is an apocalyptic number.

171412040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

171412040 is an abundant number, since it is smaller than the sum of its proper divisors (227566960).

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

171412040 is a wasteful number, since it uses less digits than its factorization.

171412040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147809 (or 147805 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 171412040 is about 13092.4420945827. The cubic root of 171412040 is about 555.4953670498.

The spelling of 171412040 in words is "one hundred seventy-one million, four hundred twelve thousand, forty".