42726200078 has 4 divisors (see below), whose sum is σ = 64089300120. Its totient is φ = 21363100038.

The previous prime is 42726200063. The next prime is 42726200137. The reversal of 42726200078 is 87000262724.

It is a happy number.

42726200078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10681550018 + ... + 10681550021.

It is an arithmetic number, because the mean of its divisors is an integer number (16022325030).

Almost surely, 2^42726200078 is an apocalyptic number.

42726200078 is a deficient number, since it is larger than the sum of its proper divisors (21363100042).

42726200078 is a wasteful number, since it uses less digits than its factorization.

42726200078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21363100041.

The product of its (nonzero) digits is 75264, while the sum is 38.

The spelling of 42726200078 in words is "forty-two billion, seven hundred twenty-six million, two hundred thousand, seventy-eight".