4021423136148 has 48 divisors (see below), whose sum is σ = 10409847275520. Its totient is φ = 1197958610400.

The previous prime is 4021423136147. The next prime is 4021423136167. The reversal of 4021423136148 is 8416313241204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021423136141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258172948 + ... + 258188523.

It is an arithmetic number, because the mean of its divisors is an integer number (216871818240).

Almost surely, 2^{4021423136148} is an apocalyptic number.

It is an amenable number.

4021423136148 is an abundant number, since it is smaller than the sum of its proper divisors (6388424139372).

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

4021423136148 is a wasteful number, since it uses less digits than its factorization.

4021423136148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516361548 (or 516361546 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The spelling of 4021423136148 in words is "four trillion, twenty-one billion, four hundred twenty-three million, one hundred thirty-six thousand, one hundred forty-eight".