49210018 has 32 divisors (see below), whose sum is σ = 90502272. Its totient is φ = 19747200.

The previous prime is 49210003. The next prime is 49210027. The reversal of 49210018 is 81001294.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 49209974 and 49210001.

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, 2838 + ... + 10318.

It is an arithmetic number, because the mean of its divisors is an integer number (2828196).

Almost surely, 2^49210018 is an apocalyptic number.

49210018 is a deficient number, since it is larger than the sum of its proper divisors (41292254).

49210018 is a wasteful number, since it uses less digits than its factorization.

49210018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7530.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 49210018 is about 7014.9852458861. The cubic root of 49210018 is about 366.4526286171.

The spelling of 49210018 in words is "forty-nine million, two hundred ten thousand, eighteen".