40626373 has 2 divisors, whose sum is σ = 40626374. Its totient is φ = 40626372.

The previous prime is 40626359. The next prime is 40626431. The reversal of 40626373 is 37362604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38415204 + 2211169 = 6198^2 + 1487^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40626373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40626323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20313186 + 20313187.

It is an arithmetic number, because the mean of its divisors is an integer number (20313187).

Almost surely, 2^40626373 is an apocalyptic number.

It is an amenable number.

40626373 is a deficient number, since it is larger than the sum of its proper divisors (1).

40626373 is an equidigital number, since it uses as much as digits as its factorization.

40626373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 40626373 is about 6373.8820980624. The cubic root of 40626373 is about 343.7710894830.

Adding to 40626373 its reverse (37362604), we get a palindrome (77988977).

The spelling of 40626373 in words is "forty million, six hundred twenty-six thousand, three hundred seventy-three".