42978422476 has 24 divisors (see below), whose sum is σ = 82640013120. Its totient is φ = 19395099600.

The previous prime is 42978422369. The next prime is 42978422479. The reversal of 42978422476 is 67422487924.

It is not an unprimeable number, because it can be changed into a prime (42978422479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3507490 + ... + 3519721.

It is an arithmetic number, because the mean of its divisors is an integer number (3443333880).

Almost surely, 2^42978422476 is an apocalyptic number.

It is an amenable number.

42978422476 is a deficient number, since it is larger than the sum of its proper divisors (39661590644).

42978422476 is a wasteful number, since it uses less digits than its factorization.

42978422476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7027365 (or 7027363 counting only the distinct ones).

The product of its digits is 10838016, while the sum is 55.

The spelling of 42978422476 in words is "forty-two billion, nine hundred seventy-eight million, four hundred twenty-two thousand, four hundred seventy-six".