42026720407 has 16 divisors (see below), whose sum is σ = 51167612160. Its totient is φ = 33715783872.

The previous prime is 42026720377. The next prime is 42026720431. The reversal of 42026720407 is 70402762024.

It is a cyclic number.

It is not a de Polignac number, because 42026720407 - 2¹⁵ = 42026687639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42026720447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1892518 + ... + 1914595.

It is an arithmetic number, because the mean of its divisors is an integer number (3197975760).

Almost surely, 2^42026720407 is an apocalyptic number.

42026720407 is a deficient number, since it is larger than the sum of its proper divisors (9140891753).

42026720407 is a wasteful number, since it uses less digits than its factorization.

42026720407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3807222.

The product of its (nonzero) digits is 37632, while the sum is 34.

The spelling of 42026720407 in words is "forty-two billion, twenty-six million, seven hundred twenty thousand, four hundred seven".