1002013040 has 40 divisors (see below), whose sum is σ = 2662493280. Its totient is φ = 343547136.

The previous prime is 1002013037. The next prime is 1002013057. The reversal of 1002013040 is 403102001.

It is a happy number.

1002013040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 894095 + ... + 895214.

It is an arithmetic number, because the mean of its divisors is an integer number (66562332).

Almost surely, 2^1002013040 is an apocalyptic number.

1002013040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002013040 is an abundant number, since it is smaller than the sum of its proper divisors (1660480240).

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

1002013040 is a wasteful number, since it uses less digits than its factorization.

1002013040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789329 (or 1789323 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1002013040 is about 31654.5895566504. The cubic root of 1002013040 is about 1000.6705635773.

Adding to 1002013040 its reverse (403102001), we get a palindrome (1405115041).

The spelling of 1002013040 in words is "one billion, two million, thirteen thousand, forty".