1479981279744 has 800 divisors, whose sum is σ = 5014387933632. Its totient is φ = 430645248000.

The previous prime is 1479981279743. The next prime is 1479981279781. The reversal of 1479981279744 is 4479721899741.

1479981279744 is a `hidden beast` number, since 1 + 479 + 9 + 8 + 1 + 27 + 97 + 44 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (1479981279743) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1253158834 + ... + 1253160014.

Almost surely, 2^{1479981279744} 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 1479981279744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2507193966816).

1479981279744 is an abundant number, since it is smaller than the sum of its proper divisors (3534406653888).

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

1479981279744 is a wasteful number, since it uses less digits than its factorization.

1479981279744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330 (or 1305 counting only the distinct ones).

The product of its digits is 256048128, while the sum is 72.

The spelling of 1479981279744 in words is "one trillion, four hundred seventy-nine billion, nine hundred eighty-one million, two hundred seventy-nine thousand, seven hundred forty-four".