4457122543644 has 24 divisors (see below), whose sum is σ = 10399993972368. Its totient is φ = 1485701604480.

The previous prime is 4457122543633. The next prime is 4457122543661. The reversal of 4457122543644 is 4463452217544.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3276504 + ... + 4432800.

It is an arithmetic number, because the mean of its divisors is an integer number (433333082182).

Almost surely, 2^{4457122543644} is an apocalyptic number.

It is an amenable number.

4457122543644 is an abundant number, since it is smaller than the sum of its proper divisors (5942871428724).

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

4457122543644 is a wasteful number, since it uses less digits than its factorization.

4457122543644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477525 (or 1477523 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 51.

The spelling of 4457122543644 in words is "four trillion, four hundred fifty-seven billion, one hundred twenty-two million, five hundred forty-three thousand, six hundred forty-four".