42769642446 has 24 divisors (see below), whose sum is σ = 94238197560. Its totient is φ = 14014910736.

The previous prime is 42769642411. The next prime is 42769642493. The reversal of 42769642446 is 64424696724.

It is a happy number.

42769642446 is a `hidden beast` number, since 4 + 2 + 76 + 96 + 42 + 446 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42769642392 and 42769642401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20135305 + ... + 20137428.

It is an arithmetic number, because the mean of its divisors is an integer number (3926591565).

Almost surely, 2^42769642446 is an apocalyptic number.

42769642446 is an abundant number, since it is smaller than the sum of its proper divisors (51468555114).

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

42769642446 is a wasteful number, since it uses less digits than its factorization.

42769642446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40272800 (or 40272797 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 54.

The spelling of 42769642446 in words is "forty-two billion, seven hundred sixty-nine million, six hundred forty-two thousand, four hundred forty-six".