42709253026 has 16 divisors (see below), whose sum is σ = 70566395328. Its totient is φ = 19224817200.

The previous prime is 42709252973. The next prime is 42709253047. The reversal of 42709253026 is 62035290724.

It is a self number, because there is not a number n which added to its sum of digits gives 42709253026.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9421665 + ... + 9426196.

It is an arithmetic number, because the mean of its divisors is an integer number (4410399708).

Almost surely, 2^42709253026 is an apocalyptic number.

42709253026 is a deficient number, since it is larger than the sum of its proper divisors (27857142302).

42709253026 is a wasteful number, since it uses less digits than its factorization.

42709253026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18847977.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 42709253026 in words is "forty-two billion, seven hundred nine million, two hundred fifty-three thousand, twenty-six".