40862726837 has 2 divisors, whose sum is σ = 40862726838. Its totient is φ = 40862726836.

The previous prime is 40862726833. The next prime is 40862726873. The reversal of 40862726837 is 73862726804.

It is a happy number.

Together with next prime (40862726873) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36079482916 + 4783243921 = 189946^2 + 69161^2 .

It is a cyclic number.

It is not a de Polignac number, because 40862726837 - 2² = 40862726833 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40862726833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20431363418 + 20431363419.

It is an arithmetic number, because the mean of its divisors is an integer number (20431363419).

Almost surely, 2^40862726837 is an apocalyptic number.

It is an amenable number.

40862726837 is a deficient number, since it is larger than the sum of its proper divisors (1).

40862726837 is an equidigital number, since it uses as much as digits as its factorization.

40862726837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5419008, while the sum is 53.

The spelling of 40862726837 in words is "forty billion, eight hundred sixty-two million, seven hundred twenty-six thousand, eight hundred thirty-seven".