49920620126 has 32 divisors (see below), whose sum is σ = 83507155200. Its totient is φ = 22223013120.

The previous prime is 49920620107. The next prime is 49920620137. The reversal of 49920620126 is 62102602994.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 713810 + ... + 780618.

It is an arithmetic number, because the mean of its divisors is an integer number (2609598600).

Almost surely, 2^49920620126 is an apocalyptic number.

49920620126 is a deficient number, since it is larger than the sum of its proper divisors (33586535074).

49920620126 is a wasteful number, since it uses less digits than its factorization.

49920620126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67844.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 49920620126 in words is "forty-nine billion, nine hundred twenty million, six hundred twenty thousand, one hundred twenty-six".