40401305039 has 2 divisors, whose sum is σ = 40401305040. Its totient is φ = 40401305038.

The previous prime is 40401305027. The next prime is 40401305053. The reversal of 40401305039 is 93050310404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40401305039 - 2⁴ = 40401305023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40401305839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20200652519 + 20200652520.

It is an arithmetic number, because the mean of its divisors is an integer number (20200652520).

Almost surely, 2^40401305039 is an apocalyptic number.

40401305039 is a deficient number, since it is larger than the sum of its proper divisors (1).

40401305039 is an equidigital number, since it uses as much as digits as its factorization.

40401305039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 40401305039 in words is "forty billion, four hundred one million, three hundred five thousand, thirty-nine".