440000025044 has 6 divisors (see below), whose sum is σ = 770000043834. Its totient is φ = 220000012520.

The previous prime is 440000025029. The next prime is 440000025077. The reversal of 440000025044 is 440520000044.

It can be written as a sum of positive squares in only one way, i.e., 245331996100 + 194668028944 = 495310^2 + 441212^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55000003127 + ... + 55000003134.

It is an arithmetic number, because the mean of its divisors is an integer number (128333340639).

Almost surely, 2^440000025044 is an apocalyptic number.

It is an amenable number.

440000025044 is a deficient number, since it is larger than the sum of its proper divisors (330000018790).

440000025044 is a wasteful number, since it uses less digits than its factorization.

440000025044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110000006265 (or 110000006263 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

Adding to 440000025044 its reverse (440520000044), we get a palindrome (880520025088).

The spelling of 440000025044 in words is "four hundred forty billion, twenty-five thousand, forty-four".