49424739490 has 32 divisors (see below), whose sum is σ = 104421694464. Its totient is φ = 16487634240.

The previous prime is 49424739473. The next prime is 49424739517. The reversal of 49424739490 is 9493742494.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9538866 + ... + 9544045.

It is an arithmetic number, because the mean of its divisors is an integer number (3263177952).

Almost surely, 2^49424739490 is an apocalyptic number.

49424739490 is an abundant number, since it is smaller than the sum of its proper divisors (54996954974).

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

49424739490 is a wasteful number, since it uses less digits than its factorization.

49424739490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19082962.

The product of its (nonzero) digits is 7838208, while the sum is 55.

The spelling of 49424739490 in words is "forty-nine billion, four hundred twenty-four million, seven hundred thirty-nine thousand, four hundred ninety".