40889269 has 2 divisors, whose sum is σ = 40889270. Its totient is φ = 40889268.

The previous prime is 40889263. The next prime is 40889281. The reversal of 40889269 is 96298804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39225169 + 1664100 = 6263^2 + 1290^2 .

It is a cyclic number.

It is not a de Polignac number, because 40889269 - 2⁷ = 40889141 is a prime.

It is a super-2 number, since 2×40889269² = 3343864638708722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40889263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20444634 + 20444635.

It is an arithmetic number, because the mean of its divisors is an integer number (20444635).

Almost surely, 2^40889269 is an apocalyptic number.

It is an amenable number.

40889269 is a deficient number, since it is larger than the sum of its proper divisors (1).

40889269 is an equidigital number, since it uses as much as digits as its factorization.

40889269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 40889269 is about 6394.4717530067. The cubic root of 40889269 is about 344.5110176982.

The spelling of 40889269 in words is "forty million, eight hundred eighty-nine thousand, two hundred sixty-nine".