40120553351 has 2 divisors, whose sum is σ = 40120553352. Its totient is φ = 40120553350.

The previous prime is 40120553327. The next prime is 40120553381. The reversal of 40120553351 is 15335502104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40120553351 - 2¹⁸ = 40120291207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40120553381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20060276675 + 20060276676.

It is an arithmetic number, because the mean of its divisors is an integer number (20060276676).

Almost surely, 2^40120553351 is an apocalyptic number.

40120553351 is a deficient number, since it is larger than the sum of its proper divisors (1).

40120553351 is an equidigital number, since it uses as much as digits as its factorization.

40120553351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 40120553351 in words is "forty billion, one hundred twenty million, five hundred fifty-three thousand, three hundred fifty-one".