50335440 has 80 divisors (see below), whose sum is σ = 157329216. Its totient is φ = 13312000.

The previous prime is 50335423. The next prime is 50335451. The reversal of 50335440 is 4453305.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 50335440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30640 + ... + 32240.

Almost surely, 2^50335440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50335440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78664608).

50335440 is an abundant number, since it is smaller than the sum of its proper divisors (106993776).

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

50335440 is a wasteful number, since it uses less digits than its factorization.

50335440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748 (or 1742 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 50335440 is about 7094.7473527956. The cubic root of 50335440 is about 369.2251620409.

Adding to 50335440 its reverse (4453305), we get a palindrome (54788745).

The spelling of 50335440 in words is "fifty million, three hundred thirty-five thousand, four hundred forty".