40501594451 has 2 divisors, whose sum is σ = 40501594452. Its totient is φ = 40501594450.

The previous prime is 40501594433. The next prime is 40501594481. The reversal of 40501594451 is 15449510504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40501594451 - 2¹⁰ = 40501593427 is a prime.

It is not a weakly prime, because it can be changed into another prime (40501594421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20250797225 + 20250797226.

It is an arithmetic number, because the mean of its divisors is an integer number (20250797226).

Almost surely, 2^40501594451 is an apocalyptic number.

40501594451 is a deficient number, since it is larger than the sum of its proper divisors (1).

40501594451 is an equidigital number, since it uses as much as digits as its factorization.

40501594451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 40501594451 in words is "forty billion, five hundred one million, five hundred ninety-four thousand, four hundred fifty-one".