40766269 has 4 divisors (see below), whose sum is σ = 40841344. Its totient is φ = 40691196.

The previous prime is 40766261. The next prime is 40766293. The reversal of 40766269 is 96266704.

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 40766269 - 2³ = 40766261 is a prime.

It is a super-2 number, since 2×40766269² = 3323777376360722, 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 (40766261) 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, 36717 + ... + 37810.

It is an arithmetic number, because the mean of its divisors is an integer number (10210336).

Almost surely, 2^40766269 is an apocalyptic number.

It is an amenable number.

40766269 is a deficient number, since it is larger than the sum of its proper divisors (75075).

40766269 is an equidigital number, since it uses as much as digits as its factorization.

40766269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75074.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 40766269 is about 6384.8468266670. The cubic root of 40766269 is about 344.1652267611.

The spelling of 40766269 in words is "forty million, seven hundred sixty-six thousand, two hundred sixty-nine".