40326115099 has 2 divisors, whose sum is σ = 40326115100. Its totient is φ = 40326115098.

The previous prime is 40326115091. The next prime is 40326115121. The reversal of 40326115099 is 99051162304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40326115099 - 2³ = 40326115091 is a prime.

It is not a weakly prime, because it can be changed into another prime (40326115091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20163057549 + 20163057550.

It is an arithmetic number, because the mean of its divisors is an integer number (20163057550).

Almost surely, 2^40326115099 is an apocalyptic number.

40326115099 is a deficient number, since it is larger than the sum of its proper divisors (1).

40326115099 is an equidigital number, since it uses as much as digits as its factorization.

40326115099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 40.

The spelling of 40326115099 in words is "forty billion, three hundred twenty-six million, one hundred fifteen thousand, ninety-nine".