1494451558944 has 72 divisors (see below), whose sum is σ = 4499837613180. Its totient is φ = 468847546368.

The previous prime is 1494451558937. The next prime is 1494451558973. The reversal of 1494451558944 is 4498551544941.

It is a happy number.

1494451558944 is a `hidden beast` number, since 1 + 4 + 9 + 4 + 4 + 5 + 1 + 5 + 589 + 44 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1473281308944 + 21170250000 = 1213788^2 + 145500^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152614749 + ... + 152624540.

Almost surely, 2^{1494451558944} is an apocalyptic number.

It is an amenable number.

1494451558944 is an abundant number, since it is smaller than the sum of its proper divisors (3005386054236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1494451558944 is a wasteful number, since it uses less digits than its factorization.

1494451558944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305239322 (or 305239311 counting only the distinct ones).

The product of its digits is 82944000, while the sum is 63.

The spelling of 1494451558944 in words is "one trillion, four hundred ninety-four billion, four hundred fifty-one million, five hundred fifty-eight thousand, nine hundred forty-four".