1056463020406 has 16 divisors (see below), whose sum is σ = 1593480510000. Its totient is φ = 525306862080.

The previous prime is 1056463020391. The next prime is 1056463020407. The reversal of 1056463020406 is 6040203646501.

It is a super-2 number, since 2×1056463020406² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056463020407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475111 + ... + 1529266.

It is an arithmetic number, because the mean of its divisors is an integer number (99592531875).

Almost surely, 2^{1056463020406} is an apocalyptic number.

1056463020406 is a deficient number, since it is larger than the sum of its proper divisors (537017489594).

1056463020406 is a wasteful number, since it uses less digits than its factorization.

1056463020406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005839.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 1056463020406 its reverse (6040203646501), we get a palindrome (7096666666907).

The spelling of 1056463020406 in words is "one trillion, fifty-six billion, four hundred sixty-three million, twenty thousand, four hundred six".