49409118 has 24 divisors (see below), whose sum is σ = 116785656. Its totient is φ = 14972400.

The previous prime is 49409117. The next prime is 49409131. The reversal of 49409118 is 81190494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49409117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124573 + ... + 124968.

It is an arithmetic number, because the mean of its divisors is an integer number (4866069).

Almost surely, 2^49409118 is an apocalyptic number.

49409118 is an abundant number, since it is smaller than the sum of its proper divisors (67376538).

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

49409118 is a wasteful number, since it uses less digits than its factorization.

49409118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249560 (or 249557 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 49409118 is about 7029.1619699648. The cubic root of 49409118 is about 366.9461767742.

The spelling of 49409118 in words is "forty-nine million, four hundred nine thousand, one hundred eighteen".