4505625857128 has 32 divisors (see below), whose sum is σ = 9259730903520. Its totient is φ = 2038305528000.

The previous prime is 4505625857113. The next prime is 4505625857153. The reversal of 4505625857128 is 8217585265054.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121309143 + ... + 121346278.

It is an arithmetic number, because the mean of its divisors is an integer number (289366590735).

Almost surely, 2^{4505625857128} is an apocalyptic number.

It is an amenable number.

4505625857128 is an abundant number, since it is smaller than the sum of its proper divisors (4754105046392).

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

4505625857128 is a wasteful number, since it uses less digits than its factorization.

4505625857128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242655649 (or 242655645 counting only the distinct ones).

The product of its (nonzero) digits is 26880000, while the sum is 58.

The spelling of 4505625857128 in words is "four trillion, five hundred five billion, six hundred twenty-five million, eight hundred fifty-seven thousand, one hundred twenty-eight".