40541221263 has 8 divisors (see below), whose sum is σ = 55918926000. Its totient is φ = 26095498688.

The previous prime is 40541221247. The next prime is 40541221313. The reversal of 40541221263 is 36212214504.

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

It is a cyclic number.

It is not a de Polignac number, because 40541221263 - 2⁴ = 40541221247 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40541221263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40541221243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232995438 + ... + 232995611.

It is an arithmetic number, because the mean of its divisors is an integer number (6989865750).

Almost surely, 2^40541221263 is an apocalyptic number.

40541221263 is a deficient number, since it is larger than the sum of its proper divisors (15377704737).

40541221263 is a wasteful number, since it uses less digits than its factorization.

40541221263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465991081.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 40541221263 its reverse (36212214504), we get a palindrome (76753435767).

The spelling of 40541221263 in words is "forty billion, five hundred forty-one million, two hundred twenty-one thousand, two hundred sixty-three".