40554205573771 has 2 divisors, whose sum is σ = 40554205573772. Its totient is φ = 40554205573770.

The previous prime is 40554205573751. The next prime is 40554205573883. The reversal of 40554205573771 is 17737550245504.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40554205573771 is a prime.

It is not a weakly prime, because it can be changed into another prime (40554205573751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20277102786885 + 20277102786886.

It is an arithmetic number, because the mean of its divisors is an integer number (20277102786886).

Almost surely, 2^{40554205573771} is an apocalyptic number.

40554205573771 is a deficient number, since it is larger than the sum of its proper divisors (1).

40554205573771 is an equidigital number, since it uses as much as digits as its factorization.

40554205573771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20580000, while the sum is 55.

The spelling of 40554205573771 in words is "forty trillion, five hundred fifty-four billion, two hundred five million, five hundred seventy-three thousand, seven hundred seventy-one".