40440088841 has 2 divisors, whose sum is σ = 40440088842. Its totient is φ = 40440088840.

The previous prime is 40440088831. The next prime is 40440088891. The reversal of 40440088841 is 14888004404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38925711616 + 1514377225 = 197296^2 + 38915^2 .

It is a cyclic number.

It is not a de Polignac number, because 40440088841 - 2¹⁸ = 40439826697 is a prime.

It is not a weakly prime, because it can be changed into another prime (40440088831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20220044420 + 20220044421.

It is an arithmetic number, because the mean of its divisors is an integer number (20220044421).

Almost surely, 2^40440088841 is an apocalyptic number.

It is an amenable number.

40440088841 is a deficient number, since it is larger than the sum of its proper divisors (1).

40440088841 is an equidigital number, since it uses as much as digits as its factorization.

40440088841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131072, while the sum is 41.

The spelling of 40440088841 in words is "forty billion, four hundred forty million, eighty-eight thousand, eight hundred forty-one".