40512802373 has 2 divisors, whose sum is σ = 40512802374. Its totient is φ = 40512802372.

The previous prime is 40512802367. The next prime is 40512802381. The reversal of 40512802373 is 37320821504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39623689249 + 889113124 = 199057^2 + 29818^2 .

It is a cyclic number.

It is not a de Polignac number, because 40512802373 - 2¹⁶ = 40512736837 is a prime.

It is a super-2 number, since 2×40512802373² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40512804373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20256401186 + 20256401187.

It is an arithmetic number, because the mean of its divisors is an integer number (20256401187).

Almost surely, 2^40512802373 is an apocalyptic number.

It is an amenable number.

40512802373 is a deficient number, since it is larger than the sum of its proper divisors (1).

40512802373 is an equidigital number, since it uses as much as digits as its factorization.

40512802373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 40512802373 in words is "forty billion, five hundred twelve million, eight hundred two thousand, three hundred seventy-three".