40677407747437 has 2 divisors, whose sum is σ = 40677407747438. Its totient is φ = 40677407747436.

The previous prime is 40677407747381. The next prime is 40677407747531. The reversal of 40677407747437 is 73474770477604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29148218390281 + 11529189357156 = 5398909^2 + 3395466^2 .

It is a cyclic number.

It is not a de Polignac number, because 40677407747437 - 2²⁷ = 40677273529709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40677407147437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20338703873718 + 20338703873719.

It is an arithmetic number, because the mean of its divisors is an integer number (20338703873719).

Almost surely, 2^{40677407747437} is an apocalyptic number.

It is an amenable number.

40677407747437 is a deficient number, since it is larger than the sum of its proper divisors (1).

40677407747437 is an equidigital number, since it uses as much as digits as its factorization.

40677407747437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 542126592, while the sum is 67.

The spelling of 40677407747437 in words is "forty trillion, six hundred seventy-seven billion, four hundred seven million, seven hundred forty-seven thousand, four hundred thirty-seven".