40426220564011 has 4 divisors (see below), whose sum is σ = 40426673390032. Its totient is φ = 40425767737992.

The previous prime is 40426220563987. The next prime is 40426220564027. The reversal of 40426220564011 is 11046502262404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40426220564011 - 2²¹ = 40426218466859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40426220574011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226279071 + ... + 226457656.

It is an arithmetic number, because the mean of its divisors is an integer number (10106668347508).

Almost surely, 2^{40426220564011} is an apocalyptic number.

40426220564011 is a deficient number, since it is larger than the sum of its proper divisors (452826021).

40426220564011 is an equidigital number, since it uses as much as digits as its factorization.

40426220564011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452826020.

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 40426220564011 in words is "forty trillion, four hundred twenty-six billion, two hundred twenty million, five hundred sixty-four thousand, eleven".