40024400442437 has 2 divisors, whose sum is σ = 40024400442438. Its totient is φ = 40024400442436.

The previous prime is 40024400442413. The next prime is 40024400442451. The reversal of 40024400442437 is 73424400442004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29309999204641 + 10714401237796 = 5413871^2 + 3273286^2 .

It is a cyclic number.

It is not a de Polignac number, because 40024400442437 - 2¹⁰ = 40024400441413 is a prime.

It is a super-2 number, since 2×40024400442437² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40024400442437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40024400442137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20012200221218 + 20012200221219.

It is an arithmetic number, because the mean of its divisors is an integer number (20012200221219).

Almost surely, 2^{40024400442437} is an apocalyptic number.

It is an amenable number.

40024400442437 is a deficient number, since it is larger than the sum of its proper divisors (1).

40024400442437 is an equidigital number, since it uses as much as digits as its factorization.

40024400442437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 344064, while the sum is 38.

The spelling of 40024400442437 in words is "forty trillion, twenty-four billion, four hundred million, four hundred forty-two thousand, four hundred thirty-seven".