50440400 has 60 divisors (see below), whose sum is σ = 123807552. Its totient is φ = 19739520.

The previous prime is 50440393. The next prime is 50440409. The reversal of 50440400 is 404405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50440409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17459 + ... + 20141.

Almost surely, 2^50440400 is an apocalyptic number.

50440400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50440400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61903776).

50440400 is an abundant number, since it is smaller than the sum of its proper divisors (73367152).

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

50440400 is a wasteful number, since it uses less digits than its factorization.

50440400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748 (or 2737 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 50440400 is about 7102.1405224059. The cubic root of 50440400 is about 369.4816212905.

Adding to 50440400 its reverse (404405), we get a palindrome (50844805).

It can be divided in two parts, 504 and 40400, that added together give a palindrome (40904).

The spelling of 50440400 in words is "fifty million, four hundred forty thousand, four hundred".