40034000731 has 2 divisors, whose sum is σ = 40034000732. Its totient is φ = 40034000730.

The previous prime is 40034000701. The next prime is 40034000753. The reversal of 40034000731 is 13700043004.

It is a happy number.

It is an a-pointer prime, because the next prime (40034000753) can be obtained adding 40034000731 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40034000731 - 2⁷ = 40034000603 is a prime.

It is a super-2 number, since 2×40034000731² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40034000701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20017000365 + 20017000366.

It is an arithmetic number, because the mean of its divisors is an integer number (20017000366).

Almost surely, 2^40034000731 is an apocalyptic number.

40034000731 is a deficient number, since it is larger than the sum of its proper divisors (1).

40034000731 is an equidigital number, since it uses as much as digits as its factorization.

40034000731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 22.

Adding to 40034000731 its reverse (13700043004), we get a palindrome (53734043735).

The spelling of 40034000731 in words is "forty billion, thirty-four million, seven hundred thirty-one", and thus it is an aban number.