49662018 has 32 divisors (see below), whose sum is σ = 126126720. Its totient is φ = 14189040.

The previous prime is 49662013. The next prime is 49662043. The reversal of 49662018 is 81026694.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49662013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65313 + ... + 66068.

It is an arithmetic number, because the mean of its divisors is an integer number (3941460).

Almost surely, 2^49662018 is an apocalyptic number.

49662018 is an abundant number, since it is smaller than the sum of its proper divisors (76464702).

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

49662018 is a wasteful number, since it uses less digits than its factorization.

49662018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131399 (or 131393 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 49662018 is about 7047.1283513216. The cubic root of 49662018 is about 367.5711815471.

The spelling of 49662018 in words is "forty-nine million, six hundred sixty-two thousand, eighteen".