49445208238 has 4 divisors (see below), whose sum is σ = 74167812360. Its totient is φ = 24722604118.

The previous prime is 49445208173. The next prime is 49445208247. The reversal of 49445208238 is 83280254494.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83280254494 = 2 ⋅41640127247.

It is a junction number, because it is equal to n+sod(n) for n = 49445208191 and 49445208200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12361302058 + ... + 12361302061.

It is an arithmetic number, because the mean of its divisors is an integer number (18541953090).

Almost surely, 2^49445208238 is an apocalyptic number.

49445208238 is a deficient number, since it is larger than the sum of its proper divisors (24722604122).

49445208238 is a wasteful number, since it uses less digits than its factorization.

49445208238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24722604121.

The product of its (nonzero) digits is 2211840, while the sum is 49.

The spelling of 49445208238 in words is "forty-nine billion, four hundred forty-five million, two hundred eight thousand, two hundred thirty-eight".