42935426478 has 48 divisors (see below), whose sum is σ = 106993517280. Its totient is φ = 12189123648.

The previous prime is 42935426473. The next prime is 42935426509. The reversal of 42935426478 is 87462453924.

It is a happy number.

42935426478 is a `hidden beast` number, since 4 + 2 + 93 + 542 + 6 + 4 + 7 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42935426473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1065433 + ... + 1104996.

It is an arithmetic number, because the mean of its divisors is an integer number (2229031610).

Almost surely, 2^42935426478 is an apocalyptic number.

42935426478 is an abundant number, since it is smaller than the sum of its proper divisors (64058090802).

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

42935426478 is a wasteful number, since it uses less digits than its factorization.

42935426478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170601 (or 2170598 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 54.

The spelling of 42935426478 in words is "forty-two billion, nine hundred thirty-five million, four hundred twenty-six thousand, four hundred seventy-eight".