40112551164437 has 2 divisors, whose sum is σ = 40112551164438. Its totient is φ = 40112551164436.

The previous prime is 40112551164421. The next prime is 40112551164463. The reversal of 40112551164437 is 73446115521104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27181270436356 + 12931280728081 = 5213566^2 + 3596009^2 .

It is a cyclic number.

It is not a de Polignac number, because 40112551164437 - 2⁴ = 40112551164421 is a prime.

It is a super-2 number, since 2×40112551164437² (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 (40112551164407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20056275582218 + 20056275582219.

It is an arithmetic number, because the mean of its divisors is an integer number (20056275582219).

Almost surely, 2^{40112551164437} is an apocalyptic number.

It is an amenable number.

40112551164437 is a deficient number, since it is larger than the sum of its proper divisors (1).

40112551164437 is an equidigital number, since it uses as much as digits as its factorization.

40112551164437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 40112551164437 in words is "forty trillion, one hundred twelve billion, five hundred fifty-one million, one hundred sixty-four thousand, four hundred thirty-seven".