40243641461755 has 8 divisors (see below), whose sum is σ = 48305847969792. Its totient is φ = 32185927692288.

The previous prime is 40243641461753. The next prime is 40243641461773. The reversal of 40243641461755 is 55716414634204.

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 40243641461755 - 2¹ = 40243641461753 is a prime.

It is a super-2 number, since 2×40243641461755² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40243641461753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1123164934 + ... + 1123200763.

It is an arithmetic number, because the mean of its divisors is an integer number (6038230996224).

Almost surely, 2^{40243641461755} is an apocalyptic number.

40243641461755 is a deficient number, since it is larger than the sum of its proper divisors (8062206508037).

40243641461755 is a wasteful number, since it uses less digits than its factorization.

40243641461755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246369285.

The product of its (nonzero) digits is 9676800, while the sum is 52.

The spelling of 40243641461755 in words is "forty trillion, two hundred forty-three billion, six hundred forty-one million, four hundred sixty-one thousand, seven hundred fifty-five".