40330088639 has 2 divisors, whose sum is σ = 40330088640. Its totient is φ = 40330088638.

The previous prime is 40330088621. The next prime is 40330088647. The reversal of 40330088639 is 93688003304.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40330088639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40330088639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40330088609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20165044319 + 20165044320.

It is an arithmetic number, because the mean of its divisors is an integer number (20165044320).

Almost surely, 2^40330088639 is an apocalyptic number.

40330088639 is a deficient number, since it is larger than the sum of its proper divisors (1).

40330088639 is an equidigital number, since it uses as much as digits as its factorization.

40330088639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 40330088639 in words is "forty billion, three hundred thirty million, eighty-eight thousand, six hundred thirty-nine".