40002104399 has 2 divisors, whose sum is σ = 40002104400. Its totient is φ = 40002104398.

The previous prime is 40002104393. The next prime is 40002104407. The reversal of 40002104399 is 99340120004.

It is a happy number.

40002104399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40002104399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40002104393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20001052199 + 20001052200.

It is an arithmetic number, because the mean of its divisors is an integer number (20001052200).

Almost surely, 2^40002104399 is an apocalyptic number.

40002104399 is a deficient number, since it is larger than the sum of its proper divisors (1).

40002104399 is an equidigital number, since it uses as much as digits as its factorization.

40002104399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 40002104399 in words is "forty billion, two million, one hundred four thousand, three hundred ninety-nine".