42726662724 has 24 divisors (see below), whose sum is σ = 104030136000. Its totient is φ = 13622993824.

The previous prime is 42726662707. The next prime is 42726662729.

42726662724 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×42726662724² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42726662729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77403099 + ... + 77403650.

It is an arithmetic number, because the mean of its divisors is an integer number (4334589000).

Almost surely, 2^42726662724 is an apocalyptic number.

It is an amenable number.

42726662724 is an abundant number, since it is smaller than the sum of its proper divisors (61303473276).

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

42726662724 is a wasteful number, since it uses less digits than its factorization.

42726662724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154806779 (or 154806777 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 48.

The spelling of 42726662724 in words is "forty-two billion, seven hundred twenty-six million, six hundred sixty-two thousand, seven hundred twenty-four".