5546440446456 has 64 divisors (see below), whose sum is σ = 17065970611200. Its totient is φ = 1462797479808.

The previous prime is 5546440446433. The next prime is 5546440446497. The reversal of 5546440446456 is 6546440446455.

It is a junction number, because it is equal to n+sod(n) for n = 5546440446396 and 5546440446405.

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, 1269787296 + ... + 1269791663.

It is an arithmetic number, because the mean of its divisors is an integer number (266655790800).

Almost surely, 2^{5546440446456} is an apocalyptic number.

5546440446456 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

5546440446456 is an abundant number, since it is smaller than the sum of its proper divisors (11519530164744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5546440446456 is a wasteful number, since it uses less digits than its factorization.

5546440446456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539578988 (or 2539578984 counting only the distinct ones).

The product of its (nonzero) digits is 110592000, while the sum is 57.

Subtracting 5546440446456 from its reverse (6546440446455), we obtain a palindrome (999999999999).

The spelling of 5546440446456 in words is "five trillion, five hundred forty-six billion, four hundred forty million, four hundred forty-six thousand, four hundred fifty-six".