56624242728 has 32 divisors (see below), whose sum is σ = 141582706560. Its totient is φ = 18871800960.

The previous prime is 56624242673. The next prime is 56624242729. The reversal of 56624242728 is 82724242665.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (56624242729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24400 + ... + 337407.

It is an arithmetic number, because the mean of its divisors is an integer number (4424459580).

Almost surely, 2^56624242728 is an apocalyptic number.

It is an amenable number.

56624242728 is an abundant number, since it is smaller than the sum of its proper divisors (84958463832).

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

56624242728 is a wasteful number, since it uses less digits than its factorization.

56624242728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368337 (or 368333 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 48.

The spelling of 56624242728 in words is "fifty-six billion, six hundred twenty-four million, two hundred forty-two thousand, seven hundred twenty-eight".