1244541604608 has 360 divisors, whose sum is σ = 3817462758032. Its totient is φ = 402982428672.

The previous prime is 1244541604573. The next prime is 1244541604639. The reversal of 1244541604608 is 8064061454421.

1244541604608 is a `hidden beast` number, since 1 + 2 + 4 + 4 + 541 + 60 + 46 + 0 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 764929491 + ... + 764931117.

Almost surely, 2^{1244541604608} is an apocalyptic number.

1244541604608 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1244541604608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1908731379016).

1244541604608 is an abundant number, since it is smaller than the sum of its proper divisors (2572921153424).

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

1244541604608 is an equidigital number, since it uses as much as digits as its factorization.

1244541604608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689 (or 2666 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 1244541604608 in words is "one trillion, two hundred forty-four billion, five hundred forty-one million, six hundred four thousand, six hundred eight".