40550265 has 96 divisors (see below), whose sum is σ = 87160320. Its totient is φ = 17031168.

The previous prime is 40550249. The next prime is 40550273. The reversal of 40550265 is 56205504.

It is not a de Polignac number, because 40550265 - 2⁴ = 40550249 is a prime.

It is a super-4 number, since 4×40550265⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 210009 + ... + 210201.

It is an arithmetic number, because the mean of its divisors is an integer number (907920).

Almost surely, 2^40550265 is an apocalyptic number.

40550265 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40550265 is an abundant number, since it is smaller than the sum of its proper divisors (46610055).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40550265 is a wasteful number, since it uses less digits than its factorization.

40550265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 40550265 is about 6367.9089974653. The cubic root of 40550265 is about 343.5562857874.

Adding to 40550265 its reverse (56205504), we get a palindrome (96755769).

The spelling of 40550265 in words is "forty million, five hundred fifty thousand, two hundred sixty-five".