40292269 has 4 divisors (see below), whose sum is σ = 40952860. Its totient is φ = 39631680.

The previous prime is 40292249. The next prime is 40292303. The reversal of 40292269 is 96229204.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5929225 + 34363044 = 2435^2 + 5862^2 .

It is a cyclic number.

It is not a de Polignac number, because 40292269 - 2⁵ = 40292237 is a prime.

It is a super-2 number, since 2×40292269² = 3246933882336722, 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 (40292209) 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, 330204 + ... + 330325.

It is an arithmetic number, because the mean of its divisors is an integer number (10238215).

Almost surely, 2^40292269 is an apocalyptic number.

It is an amenable number.

40292269 is a deficient number, since it is larger than the sum of its proper divisors (660591).

40292269 is an equidigital number, since it uses as much as digits as its factorization.

40292269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660590.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 40292269 is about 6347.6191599686. The cubic root of 40292269 is about 342.8261237397.

The spelling of 40292269 in words is "forty million, two hundred ninety-two thousand, two hundred sixty-nine".