40340037007373 has 2 divisors, whose sum is σ = 40340037007374. Its totient is φ = 40340037007372.

The previous prime is 40340037007343. The next prime is 40340037007411. The reversal of 40340037007373 is 37370073004304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38256971189284 + 2083065818089 = 6185222^2 + 1443283^2 .

It is a cyclic number.

It is not a de Polignac number, because 40340037007373 - 2²⁰ = 40340035958797 is a prime.

It is a super-2 number, since 2×40340037007373² (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 40340037007373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40340037007343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20170018503686 + 20170018503687.

It is an arithmetic number, because the mean of its divisors is an integer number (20170018503687).

Almost surely, 2^{40340037007373} is an apocalyptic number.

It is an amenable number.

40340037007373 is a deficient number, since it is larger than the sum of its proper divisors (1).

40340037007373 is an equidigital number, since it uses as much as digits as its factorization.

40340037007373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 444528, while the sum is 41.

The spelling of 40340037007373 in words is "forty trillion, three hundred forty billion, thirty-seven million, seven thousand, three hundred seventy-three".