49422618 has 48 divisors (see below), whose sum is σ = 126337536. Its totient is φ = 13664160.

The previous prime is 49422601. The next prime is 49422631. The reversal of 49422618 is 81622494.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2421 + ... + 10232.

It is an arithmetic number, because the mean of its divisors is an integer number (2632032).

Almost surely, 2^49422618 is an apocalyptic number.

49422618 is an abundant number, since it is smaller than the sum of its proper divisors (76914918).

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

49422618 is a wasteful number, since it uses less digits than its factorization.

49422618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12699 (or 12696 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 49422618 is about 7030.1221895498. The cubic root of 49422618 is about 366.9795938335.

The spelling of 49422618 in words is "forty-nine million, four hundred twenty-two thousand, six hundred eighteen".