444148468 has 6 divisors (see below), whose sum is σ = 777259826. Its totient is φ = 222074232.

The previous prime is 444148433. The next prime is 444148487. The reversal of 444148468 is 864841444.

It can be written as a sum of positive squares in only one way, i.e., 433139344 + 11009124 = 20812^2 + 3318^2 .

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, 55518555 + ... + 55518562.

Almost surely, 2^444148468 is an apocalyptic number.

It is an amenable number.

444148468 is a deficient number, since it is larger than the sum of its proper divisors (333111358).

444148468 is a wasteful number, since it uses less digits than its factorization.

444148468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111037121 (or 111037119 counting only the distinct ones).

The product of its digits is 393216, while the sum is 43.

The square root of 444148468 is about 21074.8302009767. The cubic root of 444148468 is about 762.9733865245.

The spelling of 444148468 in words is "four hundred forty-four million, one hundred forty-eight thousand, four hundred sixty-eight".