44728243892 has 6 divisors (see below), whose sum is σ = 78274426818. Its totient is φ = 22364121944.

The previous prime is 44728243891. The next prime is 44728243933. The reversal of 44728243892 is 29834282744.

It can be written as a sum of positive squares in only one way, i.e., 43395555856 + 1332688036 = 208316^2 + 36506^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44728243891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5591030483 + ... + 5591030490.

It is an arithmetic number, because the mean of its divisors is an integer number (13045737803).

Almost surely, 2^44728243892 is an apocalyptic number.

It is an amenable number.

44728243892 is a deficient number, since it is larger than the sum of its proper divisors (33546182926).

44728243892 is a wasteful number, since it uses less digits than its factorization.

44728243892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11182060977 (or 11182060975 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 53.

The spelling of 44728243892 in words is "forty-four billion, seven hundred twenty-eight million, two hundred forty-three thousand, eight hundred ninety-two".