441554644017028 has 6 divisors (see below), whose sum is σ = 772720627029806. Its totient is φ = 220777322008512.

The previous prime is 441554644017013. The next prime is 441554644017061. The reversal of 441554644017028 is 820710446455144.

It can be written as a sum of positive squares in only one way, i.e., 423115108736644 + 18439535280384 = 20569762^2 + 4294128^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 441554644017028.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55194330502125 + ... + 55194330502132.

Almost surely, 2^{441554644017028} is an apocalyptic number.

It is an amenable number.

441554644017028 is a deficient number, since it is larger than the sum of its proper divisors (331165983012778).

441554644017028 is a wasteful number, since it uses less digits than its factorization.

441554644017028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110388661004261 (or 110388661004259 counting only the distinct ones).

The product of its (nonzero) digits is 17203200, while the sum is 55.

The spelling of 441554644017028 in words is "four hundred forty-one trillion, five hundred fifty-four billion, six hundred forty-four million, seventeen thousand, twenty-eight".