40711426210865 has 8 divisors (see below), whose sum is σ = 48886698437928. Its totient is φ = 32547149645440.

The previous prime is 40711426210817. The next prime is 40711426210867. The reversal of 40711426210865 is 56801262411704.

It can be written as a sum of positive squares in 4 ways, for example, as 6120245824 + 40705305965041 = 78232^2 + 6380071^2 .

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

It is not a de Polignac number, because 40711426210865 - 2¹⁰ = 40711426209841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40711426210867) 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, 2748907262 + ... + 2748922071.

It is an arithmetic number, because the mean of its divisors is an integer number (6110837304741).

Almost surely, 2^{40711426210865} is an apocalyptic number.

It is an amenable number.

40711426210865 is a deficient number, since it is larger than the sum of its proper divisors (8175272227063).

40711426210865 is a wasteful number, since it uses less digits than its factorization.

40711426210865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5497830819.

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 40711426210865 in words is "forty trillion, seven hundred eleven billion, four hundred twenty-six million, two hundred ten thousand, eight hundred sixty-five".