40925169 has 20 divisors (see below), whose sum is σ = 62295156. Its totient is φ = 26765856.

The previous prime is 40925123. The next prime is 40925179. The reversal of 40925169 is 96152904.

It can be written as a sum of positive squares in 2 ways, for example, as 17740944 + 23184225 = 4212^2 + 4815^2 .

It is not a de Polignac number, because 40925169 - 2⁹ = 40924657 is a prime.

It is a super-2 number, since 2×40925169² = 3349738915357122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40925179) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 474 + ... + 9059.

Almost surely, 2^40925169 is an apocalyptic number.

It is an amenable number.

40925169 is a deficient number, since it is larger than the sum of its proper divisors (21369987).

40925169 is an equidigital number, since it uses as much as digits as its factorization.

40925169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9598 (or 9589 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 40925169 is about 6397.2782493807. The cubic root of 40925169 is about 344.6118129109.

It can be divided in two parts, 4092 and 5169, that added together give a cube (9261 = 21³).

The spelling of 40925169 in words is "forty million, nine hundred twenty-five thousand, one hundred sixty-nine".