40090555018043 has 2 divisors, whose sum is σ = 40090555018044. Its totient is φ = 40090555018042.

The previous prime is 40090555018021. The next prime is 40090555018051. The reversal of 40090555018043 is 34081055509004.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40090555018043 - 2¹² = 40090555013947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40090555017985 and 40090555018003.

It is not a weakly prime, because it can be changed into another prime (40090555038043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20045277509021 + 20045277509022.

It is an arithmetic number, because the mean of its divisors is an integer number (20045277509022).

Almost surely, 2^{40090555018043} is an apocalyptic number.

40090555018043 is a deficient number, since it is larger than the sum of its proper divisors (1).

40090555018043 is an equidigital number, since it uses as much as digits as its factorization.

40090555018043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 40090555018043 in words is "forty trillion, ninety billion, five hundred fifty-five million, eighteen thousand, forty-three".