40299821454811 has 2 divisors, whose sum is σ = 40299821454812. Its totient is φ = 40299821454810.

The previous prime is 40299821454803. The next prime is 40299821454847. The reversal of 40299821454811 is 11845412899204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40299821454811 - 2³ = 40299821454803 is a prime.

It is not a weakly prime, because it can be changed into another prime (40299821454611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20149910727405 + 20149910727406.

It is an arithmetic number, because the mean of its divisors is an integer number (20149910727406).

Almost surely, 2^{40299821454811} is an apocalyptic number.

40299821454811 is a deficient number, since it is larger than the sum of its proper divisors (1).

40299821454811 is an equidigital number, since it uses as much as digits as its factorization.

40299821454811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6635520, while the sum is 58.

The spelling of 40299821454811 in words is "forty trillion, two hundred ninety-nine billion, eight hundred twenty-one million, four hundred fifty-four thousand, eight hundred eleven".