49999600000 has 288 divisors, whose sum is σ = 144886507920. Its totient is φ = 17136000000.

The previous prime is 49999599961. The next prime is 49999600037. The reversal of 49999600000 is 699994.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19598725 + ... + 19601275.

Almost surely, 2^49999600000 is an apocalyptic number.

49999600000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49999600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72443253960).

49999600000 is an abundant number, since it is smaller than the sum of its proper divisors (94886907920).

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

49999600000 is an frugal number, since it uses more digits than its factorization.

49999600000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604 (or 2565 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 46.

It can be divided in two parts, 4 and 9999600000, that added together give a square (9999600004 = 99998²).

The spelling of 49999600000 in words is "forty-nine billion, nine hundred ninety-nine million, six hundred thousand".