42021042002604 has 36 divisors (see below), whose sum is σ = 121394121341584. Its totient is φ = 12006012000672.

The previous prime is 42021042002603. The next prime is 42021042002651. The reversal of 42021042002604 is 40620024012024.

42021042002604 is a `hidden beast` number, since 4 + 2 + 0 + 2 + 10 + 42 + 0 + 0 + 2 + 604 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (42021042002603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83375083087 + ... + 83375083590.

Almost surely, 2^{42021042002604} is an apocalyptic number.

It is an amenable number.

42021042002604 is an abundant number, since it is smaller than the sum of its proper divisors (79373079338980).

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

42021042002604 is a wasteful number, since it uses less digits than its factorization.

42021042002604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166750166694 (or 166750166689 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 42021042002604 its reverse (40620024012024), we get a palindrome (82641066014628).

The spelling of 42021042002604 in words is "forty-two trillion, twenty-one billion, forty-two million, two thousand, six hundred four".