940440255601 has 8 divisors (see below), whose sum is σ = 1172496942144. Its totient is φ = 732810588720.

The previous prime is 940440255593. The next prime is 940440255637. The reversal of 940440255601 is 106552044049.

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

It is not a de Polignac number, because 940440255601 - 2³ = 940440255593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (940440255661) 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, 6106754830 + ... + 6106754983.

It is an arithmetic number, because the mean of its divisors is an integer number (146562117768).

Almost surely, 2^940440255601 is an apocalyptic number.

It is an amenable number.

940440255601 is a deficient number, since it is larger than the sum of its proper divisors (232056686543).

940440255601 is a wasteful number, since it uses less digits than its factorization.

940440255601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12213509831.

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 940440255601 in words is "nine hundred forty billion, four hundred forty million, two hundred fifty-five thousand, six hundred one".