4423145451020 has 48 divisors (see below), whose sum is σ = 9324659615040. Its totient is φ = 1762391786496.

The previous prime is 4423145451001. The next prime is 4423145451041. The reversal of 4423145451020 is 201545413244.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89568896 + ... + 89618264.

It is an arithmetic number, because the mean of its divisors is an integer number (194263741980).

Almost surely, 2^{4423145451020} is an apocalyptic number.

It is an amenable number.

4423145451020 is an abundant number, since it is smaller than the sum of its proper divisors (4901514164020).

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

4423145451020 is a wasteful number, since it uses less digits than its factorization.

4423145451020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66674 (or 66672 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 4423145451020 in words is "four trillion, four hundred twenty-three billion, one hundred forty-five million, four hundred fifty-one thousand, twenty".