602040066021 has 32 divisors (see below), whose sum is σ = 920751206400. Its totient is φ = 388383977520.

The previous prime is 602040065951. The next prime is 602040066059. The reversal of 602040066021 is 120660040206.

It is a happy number.

602040066021 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 602040066021 - 2²³ = 602031677413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (602040066421) 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, 22072290 + ... + 22099548.

It is an arithmetic number, because the mean of its divisors is an integer number (28773475200).

Almost surely, 2^602040066021 is an apocalyptic number.

It is an amenable number.

602040066021 is a deficient number, since it is larger than the sum of its proper divisors (318711140379).

602040066021 is a wasteful number, since it uses less digits than its factorization.

602040066021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53686 (or 53680 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The spelling of 602040066021 in words is "six hundred two billion, forty million, sixty-six thousand, twenty-one".