49408042 has 8 divisors (see below), whose sum is σ = 74172132. Its totient is φ = 24684000.

The previous prime is 49408033. The next prime is 49408043. The reversal of 49408042 is 24080494.

49408042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 49126081 + 281961 = 7009^2 + 531^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×49408042² = 4882309228547528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49407995 and 49408013.

It is not an unprimeable number, because it can be changed into a prime (49408043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6709 + ... + 11992.

Almost surely, 2^49408042 is an apocalyptic number.

49408042 is a deficient number, since it is larger than the sum of its proper divisors (24764090).

49408042 is a wasteful number, since it uses less digits than its factorization.

49408042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20024.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 49408042 is about 7029.0854312634. The cubic root of 49408042 is about 366.9435130489.

The spelling of 49408042 in words is "forty-nine million, four hundred eight thousand, forty-two".