49126918 has 4 divisors (see below), whose sum is σ = 73690380. Its totient is φ = 24563458.

The previous prime is 49126907. The next prime is 49126921. The reversal of 49126918 is 81962194.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81962194 = 2 ⋅40981097.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12281728 + ... + 12281731.

It is an arithmetic number, because the mean of its divisors is an integer number (18422595).

Almost surely, 2^49126918 is an apocalyptic number.

49126918 is the 3747-th centered heptagonal number.

49126918 is a deficient number, since it is larger than the sum of its proper divisors (24563462).

49126918 is a wasteful number, since it uses less digits than its factorization.

49126918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24563461.

The product of its digits is 31104, while the sum is 40.

The square root of 49126918 is about 7009.0597086913. The cubic root of 49126918 is about 366.2462385897.

The spelling of 49126918 in words is "forty-nine million, one hundred twenty-six thousand, nine hundred eighteen".