40540265 has 8 divisors (see below), whose sum is σ = 48843648. Its totient is φ = 32302000.

The previous prime is 40540249. The next prime is 40540303. The reversal of 40540265 is 56204504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40540265 - 2⁴ = 40540249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14897 + ... + 17406.

It is an arithmetic number, because the mean of its divisors is an integer number (6105456).

Almost surely, 2^40540265 is an apocalyptic number.

It is an amenable number.

40540265 is a deficient number, since it is larger than the sum of its proper divisors (8303383).

40540265 is a wasteful number, since it uses less digits than its factorization.

40540265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32559.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 40540265 is about 6367.1237619509. The cubic root of 40540265 is about 343.5280422786.

Adding to 40540265 its reverse (56204504), we get a palindrome (96744769).

The spelling of 40540265 in words is "forty million, five hundred forty thousand, two hundred sixty-five".