1448971266240 has 168 divisors, whose sum is σ = 5002250730048. Its totient is φ = 384966328320.

The previous prime is 1448971266179. The next prime is 1448971266289. The reversal of 1448971266240 is 426621798441.

1448971266240 is a `hidden beast` number, since 1 + 4 + 4 + 8 + 9 + 7 + 1 + 2 + 6 + 624 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147777 + ... + 1708736.

Almost surely, 2^{1448971266240} is an apocalyptic number.

1448971266240 is a gapful number since it is divisible by the number (10) 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 1448971266240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2501125365024).

1448971266240 is an abundant number, since it is smaller than the sum of its proper divisors (3553279463808).

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

1448971266240 is a wasteful number, since it uses less digits than its factorization.

1448971266240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1856807 (or 1856794 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 1448971266240 in words is "one trillion, four hundred forty-eight billion, nine hundred seventy-one million, two hundred sixty-six thousand, two hundred forty".