49729640500 has 96 divisors (see below), whose sum is σ = 114872284800. Its totient is φ = 18754848000.

The previous prime is 49729640453. The next prime is 49729640503. The reversal of 49729640500 is 504692794.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49729640503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1992096 + ... + 2016904.

It is an arithmetic number, because the mean of its divisors is an integer number (1196586300).

Almost surely, 2^49729640500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49729640500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57436142400).

49729640500 is an abundant number, since it is smaller than the sum of its proper divisors (65142644300).

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

49729640500 is a wasteful number, since it uses less digits than its factorization.

49729640500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25058 (or 25046 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 49729640500 in words is "forty-nine billion, seven hundred twenty-nine million, six hundred forty thousand, five hundred".