40239007016857 has 8 divisors (see below), whose sum is σ = 43970138668512. Its totient is φ = 36520048716000.

The previous prime is 40239007016843. The next prime is 40239007016867. The reversal of 40239007016857 is 75861070093204.

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

It is a cyclic number.

It is not a de Polignac number, because 40239007016857 - 2⁷ = 40239007016729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40239007016837) 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, 3043330783 + ... + 3043344004.

It is an arithmetic number, because the mean of its divisors is an integer number (5496267333564).

It is a 1-persistent number, because it is pandigital, but 2⋅40239007016857 = 80478014033714 is not.

Almost surely, 2^{40239007016857} is an apocalyptic number.

It is an amenable number.

40239007016857 is a deficient number, since it is larger than the sum of its proper divisors (3731131651655).

40239007016857 is a wasteful number, since it uses less digits than its factorization.

40239007016857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6086675399.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 40239007016857 in words is "forty trillion, two hundred thirty-nine billion, seven million, sixteen thousand, eight hundred fifty-seven".