40244250265 has 16 divisors (see below), whose sum is σ = 50863129920. Its totient is φ = 30483933120.

The previous prime is 40244250203. The next prime is 40244250337. The reversal of 40244250265 is 56205244204.

It is a de Polignac number, because none of the positive numbers 2^k-40244250265 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40244250265.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55087 + ... + 289003.

It is an arithmetic number, because the mean of its divisors is an integer number (3178945620).

Almost surely, 2^40244250265 is an apocalyptic number.

It is an amenable number.

40244250265 is a deficient number, since it is larger than the sum of its proper divisors (10618879655).

40244250265 is a wasteful number, since it uses less digits than its factorization.

40244250265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235752.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 40244250265 its reverse (56205244204), we get a palindrome (96449494469).

The spelling of 40244250265 in words is "forty billion, two hundred forty-four million, two hundred fifty thousand, two hundred sixty-five".