49991419458 has 24 divisors (see below), whose sum is σ = 112326400368. Its totient is φ = 16663806324.

The previous prime is 49991419417. The next prime is 49991419553. The reversal of 49991419458 is 85491419994.

49991419458 is a `hidden beast` number, since 4 + 99 + 91 + 4 + 1 + 9 + 458 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 49991419395 and 49991419404.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51431016 + ... + 51431987.

It is an arithmetic number, because the mean of its divisors is an integer number (4680266682).

Almost surely, 2^49991419458 is an apocalyptic number.

49991419458 is an abundant number, since it is smaller than the sum of its proper divisors (62334980910).

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

49991419458 is a wasteful number, since it uses less digits than its factorization.

49991419458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102863020 (or 102863008 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 63.

The spelling of 49991419458 in words is "forty-nine billion, nine hundred ninety-one million, four hundred nineteen thousand, four hundred fifty-eight".