49382218418 has 16 divisors (see below), whose sum is σ = 79909551960. Its totient is φ = 22752285696.

The previous prime is 49382218363. The next prime is 49382218429. The reversal of 49382218418 is 81481228394.

It can be written as a sum of positive squares in 4 ways, for example, as 49367062969 + 15155449 = 222187^2 + 3893^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1630853 + ... + 1660856.

Almost surely, 2^49382218418 is an apocalyptic number.

49382218418 is a deficient number, since it is larger than the sum of its proper divisors (30527333542).

49382218418 is a wasteful number, since it uses less digits than its factorization.

49382218418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3292301.

The product of its digits is 884736, while the sum is 50.

The spelling of 49382218418 in words is "forty-nine billion, three hundred eighty-two million, two hundred eighteen thousand, four hundred eighteen".