50018444 has 24 divisors (see below), whose sum is σ = 100413600. Its totient is φ = 21355776.

The previous prime is 50018443. The next prime is 50018461. The reversal of 50018444 is 44481005.

It is a super-2 number, since 2×50018444² = 5003689480362272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50018443) 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, 4532 + ... + 10980.

It is an arithmetic number, because the mean of its divisors is an integer number (4183900).

Almost surely, 2^50018444 is an apocalyptic number.

It is an amenable number.

50018444 is an abundant number, since it is smaller than the sum of its proper divisors (50395156).

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

50018444 is a wasteful number, since it uses less digits than its factorization.

50018444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6737 (or 6735 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 50018444 is about 7072.3718793627. The cubic root of 50018444 is about 368.4484431465.

Adding to 50018444 its reverse (44481005), we get a palindrome (94499449).

The spelling of 50018444 in words is "fifty million, eighteen thousand, four hundred forty-four".