440056141660537 has 2 divisors, whose sum is σ = 440056141660538. Its totient is φ = 440056141660536.

The previous prime is 440056141660519. The next prime is 440056141660543. The reversal of 440056141660537 is 735066141650044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 430872187166521 + 9183954494016 = 20757461^2 + 3030504^2 .

It is a cyclic number.

It is not a de Polignac number, because 440056141660537 - 2²³ = 440056133271929 is a prime.

It is not a weakly prime, because it can be changed into another prime (440056144660537) 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, 220028070830268 + 220028070830269.

It is an arithmetic number, because the mean of its divisors is an integer number (220028070830269).

Almost surely, 2^{440056141660537} is an apocalyptic number.

It is an amenable number.

440056141660537 is a deficient number, since it is larger than the sum of its proper divisors (1).

440056141660537 is an equidigital number, since it uses as much as digits as its factorization.

440056141660537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 440056141660537 in words is "four hundred forty trillion, fifty-six billion, one hundred forty-one million, six hundred sixty thousand, five hundred thirty-seven".