4400666053450 has 24 divisors (see below), whose sum is σ = 8319423108780. Its totient is φ = 1731409593600.

The previous prime is 4400666053423. The next prime is 4400666053501. The reversal of 4400666053450 is 543506660044.

It can be written as a sum of positive squares in 6 ways, for example, as 38345080761 + 4362320972689 = 195819^2 + 2088617^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4400666053397 and 4400666053406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 721417615 + ... + 721423714.

Almost surely, 2^{4400666053450} is an apocalyptic number.

4400666053450 is a deficient number, since it is larger than the sum of its proper divisors (3918757055330).

4400666053450 is a wasteful number, since it uses less digits than its factorization.

4400666053450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442841402 (or 1442841397 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 4400666053450 in words is "four trillion, four hundred billion, six hundred sixty-six million, fifty-three thousand, four hundred fifty".