40458855551 has 2 divisors, whose sum is σ = 40458855552. Its totient is φ = 40458855550.

The previous prime is 40458855523. The next prime is 40458855559. The reversal of 40458855551 is 15555885404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40458855551 - 2²⁶ = 40391746687 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40458855551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40458855559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20229427775 + 20229427776.

It is an arithmetic number, because the mean of its divisors is an integer number (20229427776).

Almost surely, 2^40458855551 is an apocalyptic number.

40458855551 is a deficient number, since it is larger than the sum of its proper divisors (1).

40458855551 is an equidigital number, since it uses as much as digits as its factorization.

40458855551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3200000, while the sum is 50.

The spelling of 40458855551 in words is "forty billion, four hundred fifty-eight million, eight hundred fifty-five thousand, five hundred fifty-one".