1449758075272 has 128 divisors (see below), whose sum is σ = 3048661929600. Its totient is φ = 641723443200.

The previous prime is 1449758075237. The next prime is 1449758075273. The reversal of 1449758075272 is 2725708579441.

It is a happy number.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1449758075272.

It is not an unprimeable number, because it can be changed into a prime (1449758075273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 373550772 + ... + 373554652.

It is an arithmetic number, because the mean of its divisors is an integer number (23817671325).

Almost surely, 2^{1449758075272} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1449758075272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1524330964800).

1449758075272 is an abundant number, since it is smaller than the sum of its proper divisors (1598903854328).

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

1449758075272 is a wasteful number, since it uses less digits than its factorization.

1449758075272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4727 (or 4723 counting only the distinct ones).

The product of its (nonzero) digits is 39513600, while the sum is 61.

The spelling of 1449758075272 in words is "one trillion, four hundred forty-nine billion, seven hundred fifty-eight million, seventy-five thousand, two hundred seventy-two".