40332169 has 2 divisors, whose sum is σ = 40332170. Its totient is φ = 40332168.

The previous prime is 40332161. The next prime is 40332181. The reversal of 40332169 is 96123304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37356544 + 2975625 = 6112^2 + 1725^2 .

It is a cyclic number.

It is not a de Polignac number, because 40332169 - 2³ = 40332161 is a prime.

It is a super-2 number, since 2×40332169² = 3253367712489122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40332161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20166084 + 20166085.

It is an arithmetic number, because the mean of its divisors is an integer number (20166085).

Almost surely, 2^40332169 is an apocalyptic number.

It is an amenable number.

40332169 is a deficient number, since it is larger than the sum of its proper divisors (1).

40332169 is an equidigital number, since it uses as much as digits as its factorization.

40332169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 40332169 is about 6350.7612929475. The cubic root of 40332169 is about 342.9392492429.

The spelling of 40332169 in words is "forty million, three hundred thirty-two thousand, one hundred sixty-nine".