44006400772 has 6 divisors (see below), whose sum is σ = 77011201358. Its totient is φ = 22003200384.

The previous prime is 44006400721. The next prime is 44006400773. The reversal of 44006400772 is 27700460044.

44006400772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 29743831296 + 14262569476 = 172464^2 + 119426^2 .

It is not an unprimeable number, because it can be changed into a prime (44006400773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500800093 + ... + 5500800100.

Almost surely, 2^44006400772 is an apocalyptic number.

It is an amenable number.

44006400772 is a deficient number, since it is larger than the sum of its proper divisors (33004800586).

44006400772 is a wasteful number, since it uses less digits than its factorization.

44006400772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11001600197 (or 11001600195 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 34.

The spelling of 44006400772 in words is "forty-four billion, six million, four hundred thousand, seven hundred seventy-two".