1450388625280 has 128 divisors (see below), whose sum is σ = 3963543629760. Its totient is φ = 497166336000.

The previous prime is 1450388625277. The next prime is 1450388625281. The reversal of 1450388625280 is 825268830541.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1450388625281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21743980 + ... + 21810580.

Almost surely, 2^{1450388625280} is an apocalyptic number.

1450388625280 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 1450388625280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1981771814880).

1450388625280 is an abundant number, since it is smaller than the sum of its proper divisors (2513155004480).

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

1450388625280 is an equidigital number, since it uses as much as digits as its factorization.

1450388625280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71488 (or 71476 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 52.

The spelling of 1450388625280 in words is "one trillion, four hundred fifty billion, three hundred eighty-eight million, six hundred twenty-five thousand, two hundred eighty".