50342152440 has 128 divisors (see below), whose sum is σ = 152402342400. Its totient is φ = 13302581760.

The previous prime is 50342152409. The next prime is 50342152447. The reversal of 50342152440 is 4425124305.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 50342152398 and 50342152407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50342152447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13029949 + ... + 13033811.

It is an arithmetic number, because the mean of its divisors is an integer number (1190643300).

Almost surely, 2^50342152440 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 50342152440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76201171200).

50342152440 is an abundant number, since it is smaller than the sum of its proper divisors (102060189960).

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

50342152440 is a wasteful number, since it uses less digits than its factorization.

50342152440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4837 (or 4833 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 50342152440 its reverse (4425124305), we get a palindrome (54767276745).

The spelling of 50342152440 in words is "fifty billion, three hundred forty-two million, one hundred fifty-two thousand, four hundred forty".