40244253121255 has 16 divisors (see below), whose sum is σ = 49664521843200. Its totient is φ = 31288648694688.

The previous prime is 40244253121253. The next prime is 40244253121271. The reversal of 40244253121255 is 55212135244204.

It is a cyclic number.

It is not a de Polignac number, because 40244253121255 - 2¹ = 40244253121253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40244253121253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470265187 + ... + 470350756.

It is an arithmetic number, because the mean of its divisors is an integer number (3104032615200).

Almost surely, 2^{40244253121255} is an apocalyptic number.

40244253121255 is a deficient number, since it is larger than the sum of its proper divisors (9420268721945).

40244253121255 is a wasteful number, since it uses less digits than its factorization.

40244253121255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940616190.

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 40244253121255 its reverse (55212135244204), we get a palindrome (95456388365459).

The spelling of 40244253121255 in words is "forty trillion, two hundred forty-four billion, two hundred fifty-three million, one hundred twenty-one thousand, two hundred fifty-five".