454144243528820 has 96 divisors (see below), whose sum is σ = 1118400734102400. Its totient is φ = 153380672008704.

The previous prime is 454144243528699. The next prime is 454144243528823. The reversal of 454144243528820 is 28825342441454.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454144243528823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1584891794 + ... + 1585178313.

It is an arithmetic number, because the mean of its divisors is an integer number (11650007646900).

Almost surely, 2^{454144243528820} is an apocalyptic number.

It is an amenable number.

454144243528820 is an abundant number, since it is smaller than the sum of its proper divisors (664256490573580).

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

454144243528820 is a wasteful number, since it uses less digits than its factorization.

454144243528820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3170070177 (or 3170070175 counting only the distinct ones).

The product of its (nonzero) digits is 39321600, while the sum is 56.

The spelling of 454144243528820 in words is "four hundred fifty-four trillion, one hundred forty-four billion, two hundred forty-three million, five hundred twenty-eight thousand, eight hundred twenty".