49458662218 has 32 divisors (see below), whose sum is σ = 86903518464. Its totient is φ = 20672051712.

The previous prime is 49458662171. The next prime is 49458662293. The reversal of 49458662218 is 81226685494.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75655 + ... + 323482.

It is an arithmetic number, because the mean of its divisors is an integer number (2715734952).

Almost surely, 2^49458662218 is an apocalyptic number.

49458662218 is a deficient number, since it is larger than the sum of its proper divisors (37444856246).

49458662218 is a wasteful number, since it uses less digits than its factorization.

49458662218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399366.

The product of its digits is 6635520, while the sum is 55.

The spelling of 49458662218 in words is "forty-nine billion, four hundred fifty-eight million, six hundred sixty-two thousand, two hundred eighteen".