40542260265 has 64 divisors (see below), whose sum is σ = 77663577600. Its totient is φ = 19947900672.

The previous prime is 40542260191. The next prime is 40542260267. The reversal of 40542260265 is 56206224504.

40542260265 is a `hidden beast` number, since 4 + 0 + 5 + 42 + 2 + 602 + 6 + 5 = 666.

It is not a de Polignac number, because 40542260265 - 2¹⁴ = 40542243881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40542260267) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3657151 + ... + 3668219.

It is an arithmetic number, because the mean of its divisors is an integer number (1213493400).

Almost surely, 2^40542260265 is an apocalyptic number.

40542260265 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40542260265 is a deficient number, since it is larger than the sum of its proper divisors (37121317335).

40542260265 is a wasteful number, since it uses less digits than its factorization.

40542260265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13183 (or 13177 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 40542260265 its reverse (56206224504), we get a palindrome (96748484769).

The spelling of 40542260265 in words is "forty billion, five hundred forty-two million, two hundred sixty thousand, two hundred sixty-five".