49907442 has 16 divisors (see below), whose sum is σ = 107493120. Its totient is φ = 15356112.

The previous prime is 49907437. The next prime is 49907443. The reversal of 49907442 is 24470994.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 49907442.

It is not an unprimeable number, because it can be changed into a prime (49907443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319842 + ... + 319997.

It is an arithmetic number, because the mean of its divisors is an integer number (6718320).

Almost surely, 2^49907442 is an apocalyptic number.

49907442 is an abundant number, since it is smaller than the sum of its proper divisors (57585678).

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

49907442 is a wasteful number, since it uses less digits than its factorization.

49907442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639857.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 49907442 is about 7064.5199412274. The cubic root of 49907442 is about 368.1756850567.

The spelling of 49907442 in words is "forty-nine million, nine hundred seven thousand, four hundred forty-two".