42572099478 has 16 divisors (see below), whose sum is σ = 85458387456. Its totient is φ = 14138335080.

The previous prime is 42572099473. The next prime is 42572099491. The reversal of 42572099478 is 87499027524.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42572099473) 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 7 ways as a sum of consecutive naturals, for example, 13089426 + ... + 13092677.

It is an arithmetic number, because the mean of its divisors is an integer number (5341149216).

Almost surely, 2^42572099478 is an apocalyptic number.

42572099478 is an abundant number, since it is smaller than the sum of its proper divisors (42886287978).

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

42572099478 is a wasteful number, since it uses less digits than its factorization.

42572099478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26182379.

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 42572099478 in words is "forty-two billion, five hundred seventy-two million, ninety-nine thousand, four hundred seventy-eight".