49927221136 has 45 divisors (see below), whose sum is σ = 104771840211. Its totient is φ = 23037970176.

The previous prime is 49927221131. The next prime is 49927221161. The reversal of 49927221136 is 63112272994.

The square root of 49927221136 is 223444.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 6028590736 + 43898630400 = 77644^2 + 209520^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49927221131) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11616940 + ... + 11621236.

Almost surely, 2^49927221136 is an apocalyptic number.

49927221136 is the 223444-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49927221136

49927221136 is an abundant number, since it is smaller than the sum of its proper divisors (54844619075).

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

49927221136 is an frugal number, since it uses more digits than its factorization.

49927221136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8628 (or 4312 counting only the distinct ones).

The product of its digits is 326592, while the sum is 46.

The spelling of 49927221136 in words is "forty-nine billion, nine hundred twenty-seven million, two hundred twenty-one thousand, one hundred thirty-six".