4457820525892 has 6 divisors (see below), whose sum is σ = 7801185920318. Its totient is φ = 2228910262944.

The previous prime is 4457820525883. The next prime is 4457820525913. The reversal of 4457820525892 is 2985250287544.

It can be written as a sum of positive squares in only one way, i.e., 3730985843776 + 726834682116 = 1931576^2 + 852546^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4457820525892.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557227565733 + ... + 557227565740.

Almost surely, 2^{4457820525892} is an apocalyptic number.

It is an amenable number.

4457820525892 is a deficient number, since it is larger than the sum of its proper divisors (3343365394426).

4457820525892 is a wasteful number, since it uses less digits than its factorization.

4457820525892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114455131477 (or 1114455131475 counting only the distinct ones).

The product of its (nonzero) digits is 64512000, while the sum is 61.

The spelling of 4457820525892 in words is "four trillion, four hundred fifty-seven billion, eight hundred twenty million, five hundred twenty-five thousand, eight hundred ninety-two".