2002573440 has 192 divisors, whose sum is σ = 7903172160. Its totient is φ = 457721856.

The previous prime is 2002573427. The next prime is 2002573471. The reversal of 2002573440 is 443752002.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15487 + ... + 65153.

It is an arithmetic number, because the mean of its divisors is an integer number (41162355).

Almost surely, 2^2002573440 is an apocalyptic number.

2002573440 is a gapful number since it is divisible by the number (20) 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 2002573440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3951586080).

2002573440 is an abundant number, since it is smaller than the sum of its proper divisors (5900598720).

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

2002573440 is a wasteful number, since it uses less digits than its factorization.

2002573440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49699 (or 49684 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 2002573440 is about 44750.1222344699. The cubic root of 2002573440 is about 1260.4612068219.

The spelling of 2002573440 in words is "two billion, two million, five hundred seventy-three thousand, four hundred forty".