40170151 has 6 divisors (see below), whose sum is σ = 46728600. Its totient is φ = 34431516.

The previous prime is 40170149. The next prime is 40170211. The reversal of 40170151 is 15107104.

It is not a de Polignac number, because 40170151 - 2¹ = 40170149 is a prime.

It is a super-2 number, since 2×40170151² = 3227282062725602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40173151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 409851 + ... + 409948.

It is an arithmetic number, because the mean of its divisors is an integer number (7788100).

Almost surely, 2^40170151 is an apocalyptic number.

40170151 is a deficient number, since it is larger than the sum of its proper divisors (6558449).

40170151 is an equidigital number, since it uses as much as digits as its factorization.

40170151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819813 (or 819806 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 40170151 is about 6337.9926632965. The cubic root of 40170151 is about 342.4794268993.

Adding to 40170151 its reverse (15107104), we get a palindrome (55277255).

The spelling of 40170151 in words is "forty million, one hundred seventy thousand, one hundred fifty-one".