40550469 has 4 divisors (see below), whose sum is σ = 54067296. Its totient is φ = 27033644.

The previous prime is 40550453. The next prime is 40550473. The reversal of 40550469 is 96405504.

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 40550469 - 2⁴ = 40550453 is a prime.

It is a super-2 number, since 2×40550469² = 3288681072239922, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40550969) 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, 6758409 + ... + 6758414.

It is an arithmetic number, because the mean of its divisors is an integer number (13516824).

Almost surely, 2^40550469 is an apocalyptic number.

It is an amenable number.

40550469 is a deficient number, since it is larger than the sum of its proper divisors (13516827).

40550469 is a wasteful number, since it uses less digits than its factorization.

40550469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13516826.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 40550469 is about 6367.9250152620. The cubic root of 40550469 is about 343.5568619067.

The spelling of 40550469 in words is "forty million, five hundred fifty thousand, four hundred sixty-nine".