40288919839 has 8 divisors (see below), whose sum is σ = 46320196608. Its totient is φ = 34326572280.

The previous prime is 40288919831. The next prime is 40288919851. The reversal of 40288919839 is 93891988204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40288919839 - 2³ = 40288919831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40288919831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17231047 + ... + 17233384.

It is an arithmetic number, because the mean of its divisors is an integer number (5790024576).

Almost surely, 2^40288919839 is an apocalyptic number.

40288919839 is a deficient number, since it is larger than the sum of its proper divisors (6031276769).

40288919839 is a wasteful number, since it uses less digits than its factorization.

40288919839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34464605.

The product of its (nonzero) digits is 8957952, while the sum is 61.

The spelling of 40288919839 in words is "forty billion, two hundred eighty-eight million, nine hundred nineteen thousand, eight hundred thirty-nine".