40359000989 has 2 divisors, whose sum is σ = 40359000990. Its totient is φ = 40359000988.

The previous prime is 40359000961. The next prime is 40359001019. The reversal of 40359000989 is 98900095304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38844468100 + 1514532889 = 197090^2 + 38917^2 .

It is a cyclic number.

It is not a de Polignac number, because 40359000989 - 2²⁴ = 40342223773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40359000919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20179500494 + 20179500495.

It is an arithmetic number, because the mean of its divisors is an integer number (20179500495).

Almost surely, 2^40359000989 is an apocalyptic number.

It is an amenable number.

40359000989 is a deficient number, since it is larger than the sum of its proper divisors (1).

40359000989 is an equidigital number, since it uses as much as digits as its factorization.

40359000989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 47.

The spelling of 40359000989 in words is "forty billion, three hundred fifty-nine million, nine hundred eighty-nine", and thus it is an aban number.