40541265 has 12 divisors (see below), whose sum is σ = 70271604. Its totient is φ = 21621984.

The previous prime is 40541257. The next prime is 40541279. The reversal of 40541265 is 56214504.

It can be written as a sum of positive squares in 2 ways, for example, as 25979409 + 14561856 = 5097^2 + 3816^2 .

It is not a de Polignac number, because 40541265 - 2³ = 40541257 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 450414 + ... + 450503.

It is an arithmetic number, because the mean of its divisors is an integer number (5855967).

Almost surely, 2^40541265 is an apocalyptic number.

40541265 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40541265 is a deficient number, since it is larger than the sum of its proper divisors (29730339).

40541265 is a wasteful number, since it uses less digits than its factorization.

40541265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900928 (or 900925 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 40541265 is about 6367.2022898601. The cubic root of 40541265 is about 343.5308668384.

Adding to 40541265 its reverse (56214504), we get a palindrome (96755769).

The spelling of 40541265 in words is "forty million, five hundred forty-one thousand, two hundred sixty-five".