40553309351 has 2 divisors, whose sum is σ = 40553309352. Its totient is φ = 40553309350.

The previous prime is 40553309347. The next prime is 40553309473. The reversal of 40553309351 is 15390335504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40553309351 - 2² = 40553309347 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40553909351) 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, 20276654675 + 20276654676.

It is an arithmetic number, because the mean of its divisors is an integer number (20276654676).

Almost surely, 2^40553309351 is an apocalyptic number.

40553309351 is a deficient number, since it is larger than the sum of its proper divisors (1).

40553309351 is an equidigital number, since it uses as much as digits as its factorization.

40553309351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 121500, while the sum is 38.

The spelling of 40553309351 in words is "forty billion, five hundred fifty-three million, three hundred nine thousand, three hundred fifty-one".