49944444450 has 192 divisors, whose sum is σ = 129595455360. Its totient is φ = 12718080000.

The previous prime is 49944444439. The next prime is 49944444461. The reversal of 49944444450 is 5444444994.

It is an interprime number because it is at equal distance from previous prime (49944444439) and next prime (49944444461).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 49944444393 and 49944444402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 77916130 + ... + 77916770.

It is an arithmetic number, because the mean of its divisors is an integer number (674976330).

Almost surely, 2^49944444450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49944444450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64797727680).

49944444450 is an abundant number, since it is smaller than the sum of its proper divisors (79651010910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49944444450 is a wasteful number, since it uses less digits than its factorization.

49944444450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 51.

It can be divided in two parts, 4994 and 4444450, that added together give a palindrome (4449444).

The spelling of 49944444450 in words is "forty-nine billion, nine hundred forty-four million, four hundred forty-four thousand, four hundred fifty".