40070400343 has 2 divisors, whose sum is σ = 40070400344. Its totient is φ = 40070400342.

The previous prime is 40070400269. The next prime is 40070400397. The reversal of 40070400343 is 34300407004.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40070400343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40070409343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20035200171 + 20035200172.

It is an arithmetic number, because the mean of its divisors is an integer number (20035200172).

Almost surely, 2^40070400343 is an apocalyptic number.

40070400343 is a deficient number, since it is larger than the sum of its proper divisors (1).

40070400343 is an equidigital number, since it uses as much as digits as its factorization.

40070400343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 25.

Adding to 40070400343 its reverse (34300407004), we get a palindrome (74370807347).

The spelling of 40070400343 in words is "forty billion, seventy million, four hundred thousand, three hundred forty-three".