40355305451 has 2 divisors, whose sum is σ = 40355305452. Its totient is φ = 40355305450.

The previous prime is 40355305387. The next prime is 40355305499. The reversal of 40355305451 is 15450355304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40355305451 - 2⁶ = 40355305387 is a prime.

It is not a weakly prime, because it can be changed into another prime (40355305051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20177652725 + 20177652726.

It is an arithmetic number, because the mean of its divisors is an integer number (20177652726).

Almost surely, 2^40355305451 is an apocalyptic number.

40355305451 is a deficient number, since it is larger than the sum of its proper divisors (1).

40355305451 is an equidigital number, since it uses as much as digits as its factorization.

40355305451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 40355305451 in words is "forty billion, three hundred fifty-five million, three hundred five thousand, four hundred fifty-one".