50329440 has 144 divisors (see below), whose sum is σ = 196324128. Its totient is φ = 11501568.

The previous prime is 50329439. The next prime is 50329459. The reversal of 50329440 is 4492305.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7584 + ... + 12576.

It is an arithmetic number, because the mean of its divisors is an integer number (1363362).

Almost surely, 2^50329440 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 50329440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98162064).

50329440 is an abundant number, since it is smaller than the sum of its proper divisors (145994688).

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

50329440 is a wasteful number, since it uses less digits than its factorization.

50329440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5021 (or 5010 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 50329440 is about 7094.3244921557. The cubic root of 50329440 is about 369.2104908735.

The spelling of 50329440 in words is "fifty million, three hundred twenty-nine thousand, four hundred forty".