1005402402445 has 16 divisors (see below), whose sum is σ = 1391723918208. Its totient is φ = 682975621440.

The previous prime is 1005402402439. The next prime is 1005402402457. The reversal of 1005402402445 is 5442042045001.

It is not a de Polignac number, because 1005402402445 - 2²⁵ = 1005368848013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134228886 + ... + 134236375.

It is an arithmetic number, because the mean of its divisors is an integer number (86982744888).

Almost surely, 2^{1005402402445} is an apocalyptic number.

It is an amenable number.

1005402402445 is a deficient number, since it is larger than the sum of its proper divisors (386321515763).

1005402402445 is a wasteful number, since it uses less digits than its factorization.

1005402402445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268465380.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 1005402402445 its reverse (5442042045001), we get a palindrome (6447444447446).

The spelling of 1005402402445 in words is "one trillion, five billion, four hundred two million, four hundred two thousand, four hundred forty-five".