1056440446501 has 24 divisors (see below), whose sum is σ = 1177171091712. Its totient is φ = 947273052000.

The previous prime is 1056440446487. The next prime is 1056440446517.

It is a happy number.

1056440446501 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1056440446501 - 2²⁹ = 1055903575589 is a prime.

It is a super-2 number, since 2×1056440446501² (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 (1056440447501) 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 23 ways as a sum of consecutive naturals, for example, 3049780 + ... + 3378466.

It is an arithmetic number, because the mean of its divisors is an integer number (49048795488).

Almost surely, 2^{1056440446501} is an apocalyptic number.

1056440446501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1056440446501 is a deficient number, since it is larger than the sum of its proper divisors (120730645211).

1056440446501 is a wasteful number, since it uses less digits than its factorization.

1056440446501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329073 (or 329062 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 1056440446501 in words is "one trillion, fifty-six billion, four hundred forty million, four hundred forty-six thousand, five hundred one".