50442240 has 104 divisors (see below), whose sum is σ = 161592048. Its totient is φ = 13434880.

The previous prime is 50442229. The next prime is 50442251. The reversal of 50442240 is 4224405.

It is an interprime number because it is at equal distance from previous prime (50442229) and next prime (50442251).

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61030 + ... + 61850.

Almost surely, 2^50442240 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 50442240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80796024).

50442240 is an abundant number, since it is smaller than the sum of its proper divisors (111149808).

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

50442240 is an equidigital number, since it uses as much as digits as its factorization.

50442240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853 (or 831 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 50442240 is about 7102.2700596359. The cubic root of 50442240 is about 369.4861139717.

Adding to 50442240 its reverse (4224405), we get a palindrome (54666645).

The spelling of 50442240 in words is "fifty million, four hundred forty-two thousand, two hundred forty".