49944444431 has 8 divisors (see below), whose sum is σ = 57515086464. Its totient is φ = 42482732760.

The previous prime is 49944444427. The next prime is 49944444439. The reversal of 49944444431 is 13444444994.

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 49944444431 - 2² = 49944444427 is a prime.

It is a super-2 number, since 2×49944444431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49944444431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49944444439) 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, 27231605 + ... + 27233438.

It is an arithmetic number, because the mean of its divisors is an integer number (7189385808).

Almost surely, 2^49944444431 is an apocalyptic number.

49944444431 is a deficient number, since it is larger than the sum of its proper divisors (7570642033).

49944444431 is a wasteful number, since it uses less digits than its factorization.

49944444431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54465181.

The product of its digits is 3981312, while the sum is 50.

The spelling of 49944444431 in words is "forty-nine billion, nine hundred forty-four million, four hundred forty-four thousand, four hundred thirty-one".