1002040885 has 8 divisors (see below), whose sum is σ = 1254729600. Its totient is φ = 766779024.

The previous prime is 1002040873. The next prime is 1002040889. The reversal of 1002040885 is 5880402001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1002040885 - 2⁷ = 1002040757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002040889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4356585 + ... + 4356814.

It is an arithmetic number, because the mean of its divisors is an integer number (156841200).

Almost surely, 2^1002040885 is an apocalyptic number.

It is an amenable number.

1002040885 is a deficient number, since it is larger than the sum of its proper divisors (252688715).

1002040885 is an equidigital number, since it uses as much as digits as its factorization.

1002040885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8713427.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 1002040885 is about 31655.0293792314. The cubic root of 1002040885 is about 1000.6798327227.

Adding to 1002040885 its reverse (5880402001), we get a palindrome (6882442886).

It can be divided in two parts, 10020 and 40885, that added together give a palindrome (50905).

The spelling of 1002040885 in words is "one billion, two million, forty thousand, eight hundred eighty-five".