50438298842442 has 96 divisors (see below), whose sum is σ = 125451552470400. Its totient is φ = 14346717300864.

The previous prime is 50438298842423. The next prime is 50438298842471. The reversal of 50438298842442 is 24424889283405.

It is a happy number.

50438298842442 is a `hidden beast` number, since 5 + 0 + 4 + 3 + 82 + 98 + 8 + 424 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 50438298842442.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 345799984 + ... + 345945812.

It is an arithmetic number, because the mean of its divisors is an integer number (1306787004900).

Almost surely, 2^{50438298842442} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50438298842442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62725776235200).

50438298842442 is an abundant number, since it is smaller than the sum of its proper divisors (75013253627958).

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

50438298842442 is a wasteful number, since it uses less digits than its factorization.

50438298842442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158060 (or 158057 counting only the distinct ones).

The product of its (nonzero) digits is 141557760, while the sum is 63.

The spelling of 50438298842442 in words is "fifty trillion, four hundred thirty-eight billion, two hundred ninety-eight million, eight hundred forty-two thousand, four hundred forty-two".