1002479027520 has 448 divisors, whose sum is σ = 3553150648320. Its totient is φ = 237978943488.

The previous prime is 1002479027509. The next prime is 1002479027521. The reversal of 1002479027520 is 257209742001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002479027521) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 225425937 + ... + 225430383.

It is an arithmetic number, because the mean of its divisors is an integer number (7931139840).

Almost surely, 2^{1002479027520} is an apocalyptic number.

1002479027520 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 1002479027520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1776575324160).

1002479027520 is an abundant number, since it is smaller than the sum of its proper divisors (2550671620800).

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

1002479027520 is a wasteful number, since it uses less digits than its factorization.

1002479027520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5230 (or 5220 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 39.

The spelling of 1002479027520 in words is "one trillion, two billion, four hundred seventy-nine million, twenty-seven thousand, five hundred twenty".