40733707381 has 2 divisors, whose sum is σ = 40733707382. Its totient is φ = 40733707380.

The previous prime is 40733707349. The next prime is 40733707387. The reversal of 40733707381 is 18370733704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24759022500 + 15974684881 = 157350^2 + 126391^2 .

It is a cyclic number.

It is not a de Polignac number, because 40733707381 - 2⁵ = 40733707349 is a prime.

It is a super-2 number, since 2×40733707381² (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 (40733707387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20366853690 + 20366853691.

It is an arithmetic number, because the mean of its divisors is an integer number (20366853691).

Almost surely, 2^40733707381 is an apocalyptic number.

It is an amenable number.

40733707381 is a deficient number, since it is larger than the sum of its proper divisors (1).

40733707381 is an equidigital number, since it uses as much as digits as its factorization.

40733707381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 296352, while the sum is 43.

The spelling of 40733707381 in words is "forty billion, seven hundred thirty-three million, seven hundred seven thousand, three hundred eighty-one".