40500004499957 has 2 divisors, whose sum is σ = 40500004499958. Its totient is φ = 40500004499956.

The previous prime is 40500004499947. The next prime is 40500004500001. The reversal of 40500004499957 is 75999440000504.

40500004499957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35754551799121 + 4745452700836 = 5979511^2 + 2178406^2 .

It is a cyclic number.

It is not a de Polignac number, because 40500004499957 - 2⁸ = 40500004499701 is a prime.

It is a super-2 number, since 2×40500004499957² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40500004499917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20250002249978 + 20250002249979.

It is an arithmetic number, because the mean of its divisors is an integer number (20250002249979).

Almost surely, 2^{40500004499957} is an apocalyptic number.

It is an amenable number.

40500004499957 is a deficient number, since it is larger than the sum of its proper divisors (1).

40500004499957 is an equidigital number, since it uses as much as digits as its factorization.

40500004499957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8164800, while the sum is 56.

The spelling of 40500004499957 in words is "forty trillion, five hundred billion, four million, four hundred ninety-nine thousand, nine hundred fifty-seven".