1005340021004 has 24 divisors (see below), whose sum is σ = 1985467755600. Its totient is φ = 441215055680.

The previous prime is 1005340020983. The next prime is 1005340021009. The reversal of 1005340021004 is 4001200435001.

It is a super-2 number, since 2×1005340021004² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1005340021009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393940739 + ... + 393943290.

It is an arithmetic number, because the mean of its divisors is an integer number (82727823150).

Almost surely, 2^{1005340021004} is an apocalyptic number.

It is an amenable number.

1005340021004 is a deficient number, since it is larger than the sum of its proper divisors (980127734596).

1005340021004 is a wasteful number, since it uses less digits than its factorization.

1005340021004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787884073 (or 787884071 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 1005340021004 its reverse (4001200435001), we get a palindrome (5006540456005).

The spelling of 1005340021004 in words is "one trillion, five billion, three hundred forty million, twenty-one thousand, four".