42404531051 has 16 divisors (see below), whose sum is σ = 43239224160. Its totient is φ = 41577338880.

The previous prime is 42404531047. The next prime is 42404531101. The reversal of 42404531051 is 15013540424.

It is a cyclic number.

It is not a de Polignac number, because 42404531051 - 2² = 42404531047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42404531021) 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, 12014255 + ... + 12017783.

It is an arithmetic number, because the mean of its divisors is an integer number (2702451510).

Almost surely, 2^42404531051 is an apocalyptic number.

42404531051 is a deficient number, since it is larger than the sum of its proper divisors (834693109).

42404531051 is a wasteful number, since it uses less digits than its factorization.

42404531051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4526.

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 42404531051 in words is "forty-two billion, four hundred four million, five hundred thirty-one thousand, fifty-one".