49442129208 has 96 divisors (see below), whose sum is σ = 135355584000. Its totient is φ = 16303037184.

The previous prime is 49442129179. The next prime is 49442129221. The reversal of 49442129208 is 80292124494.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3183510 + ... + 3199002.

It is an arithmetic number, because the mean of its divisors is an integer number (1409954000).

Almost surely, 2^49442129208 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 49442129208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67677792000).

49442129208 is an abundant number, since it is smaller than the sum of its proper divisors (85913454792).

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

49442129208 is a wasteful number, since it uses less digits than its factorization.

49442129208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15981 (or 15974 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 49442129208 in words is "forty-nine billion, four hundred forty-two million, one hundred twenty-nine thousand, two hundred eight".