56446400326 has 4 divisors (see below), whose sum is σ = 84669600492. Its totient is φ = 28223200162.

The previous prime is 56446400321. The next prime is 56446400359. The reversal of 56446400326 is 62300464465.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×56446400326² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56446400321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14111600080 + ... + 14111600083.

It is an arithmetic number, because the mean of its divisors is an integer number (21167400123).

Almost surely, 2^56446400326 is an apocalyptic number.

56446400326 is a deficient number, since it is larger than the sum of its proper divisors (28223200166).

56446400326 is a wasteful number, since it uses less digits than its factorization.

56446400326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28223200165.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 56446400326 in words is "fifty-six billion, four hundred forty-six million, four hundred thousand, three hundred twenty-six".