40375169 has 4 divisors (see below), whose sum is σ = 40394496. Its totient is φ = 40355844.

The previous prime is 40375157. The next prime is 40375193. The reversal of 40375169 is 96157304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40375169 - 2²⁴ = 23597953 is a prime.

It is a super-2 number, since 2×40375169² = 3260308543557122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40375109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6089 + ... + 10854.

It is an arithmetic number, because the mean of its divisors is an integer number (10098624).

Almost surely, 2^40375169 is an apocalyptic number.

It is an amenable number.

40375169 is a deficient number, since it is larger than the sum of its proper divisors (19327).

40375169 is a wasteful number, since it uses less digits than its factorization.

40375169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19326.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 40375169 is about 6354.1458119876. The cubic root of 40375169 is about 343.0610804477.

The spelling of 40375169 in words is "forty million, three hundred seventy-five thousand, one hundred sixty-nine".