4645645456 has 40 divisors (see below), whose sum is σ = 9120978720. Its totient is φ = 2291917056.

The previous prime is 4645645453. The next prime is 4645645553. The reversal of 4645645456 is 6545465464.

It is not an unprimeable number, because it can be changed into a prime (4645645453) 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, 1351516 + ... + 1354948.

It is an arithmetic number, because the mean of its divisors is an integer number (228024468).

Almost surely, 2^4645645456 is an apocalyptic number.

It is an amenable number.

4645645456 is a deficient number, since it is larger than the sum of its proper divisors (4475333264).

4645645456 is a wasteful number, since it uses less digits than its factorization.

4645645456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4543 (or 4537 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 49.

The square root of 4645645456 is about 68158.9719406037. The cubic root of 4645645456 is about 1668.5863538628.

The spelling of 4645645456 in words is "four billion, six hundred forty-five million, six hundred forty-five thousand, four hundred fifty-six".