49227778944 has 256 divisors, whose sum is σ = 152410521600. Its totient is φ = 15624161280.

The previous prime is 49227778933. The next prime is 49227778949. The reversal of 49227778944 is 44987772294.

49227778944 is a `hidden beast` number, since 492 + 2 + 77 + 78 + 9 + 4 + 4 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49227778949) 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, 6005889 + ... + 6014079.

It is an arithmetic number, because the mean of its divisors is an integer number (595353600).

Almost surely, 2^49227778944 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 49227778944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76205260800).

49227778944 is an abundant number, since it is smaller than the sum of its proper divisors (103182742656).

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

49227778944 is a wasteful number, since it uses less digits than its factorization.

49227778944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8298 (or 8280 counting only the distinct ones).

The product of its digits is 56899584, while the sum is 63.

The spelling of 49227778944 in words is "forty-nine billion, two hundred twenty-seven million, seven hundred seventy-eight thousand, nine hundred forty-four".