40120334351 has 2 divisors, whose sum is σ = 40120334352. Its totient is φ = 40120334350.

The previous prime is 40120334329. The next prime is 40120334369. The reversal of 40120334351 is 15343302104.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40120334351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40120334351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40120334311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20060167175 + 20060167176.

It is an arithmetic number, because the mean of its divisors is an integer number (20060167176).

Almost surely, 2^40120334351 is an apocalyptic number.

40120334351 is a deficient number, since it is larger than the sum of its proper divisors (1).

40120334351 is an equidigital number, since it uses as much as digits as its factorization.

40120334351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 40120334351 its reverse (15343302104), we get a palindrome (55463636455).

The spelling of 40120334351 in words is "forty billion, one hundred twenty million, three hundred thirty-four thousand, three hundred fifty-one".