49999442 has 8 divisors (see below), whose sum is σ = 75102336. Its totient is φ = 24965332.

The previous prime is 49999441. The next prime is 49999463. The reversal of 49999442 is 24499994.

It is a happy number.

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

It is a super-2 number, since 2×49999442² = 4999888400622728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49999441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15338 + ... + 18309.

It is an arithmetic number, because the mean of its divisors is an integer number (9387792).

Almost surely, 2^49999442 is an apocalyptic number.

49999442 is a deficient number, since it is larger than the sum of its proper divisors (25102894).

49999442 is a wasteful number, since it uses less digits than its factorization.

49999442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34392.

The product of its digits is 839808, while the sum is 50.

The square root of 49999442 is about 7071.0283551970. The cubic root of 49999442 is about 368.4017793992.

It can be divided in two parts, 4999 and 9442, that added together give a palindrome (14441).

The spelling of 49999442 in words is "forty-nine million, nine hundred ninety-nine thousand, four hundred forty-two".