42243636402 has 48 divisors (see below), whose sum is σ = 103184655840. Its totient is φ = 12801099960.

The previous prime is 42243636397. The next prime is 42243636439. The reversal of 42243636402 is 20463634224.

42243636402 is a `hidden beast` number, since 4 + 2 + 2 + 4 + 3 + 6 + 3 + 640 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3226068 + ... + 3239135.

It is an arithmetic number, because the mean of its divisors is an integer number (2149680330).

Almost surely, 2^42243636402 is an apocalyptic number.

42243636402 is an abundant number, since it is smaller than the sum of its proper divisors (60941019438).

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

42243636402 is a wasteful number, since it uses less digits than its factorization.

42243636402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6465236 (or 6465219 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

The spelling of 42243636402 in words is "forty-two billion, two hundred forty-three million, six hundred thirty-six thousand, four hundred two".