42666004026 has 24 divisors (see below), whose sum is σ = 92455343604. Its totient is φ = 14220103680.

The previous prime is 42666004013. The next prime is 42666004039. The reversal of 42666004026 is 62040066624.

It is an interprime number because it is at equal distance from previous prime (42666004013) and next prime (42666004039).

It can be written as a sum of positive squares in 2 ways, for example, as 35500212225 + 7165791801 = 188415^2 + 84651^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16041 + ... + 292556.

Almost surely, 2^42666004026 is an apocalyptic number.

42666004026 is an abundant number, since it is smaller than the sum of its proper divisors (49789339578).

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

42666004026 is a wasteful number, since it uses less digits than its factorization.

42666004026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316286 (or 316283 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 42666004026 in words is "forty-two billion, six hundred sixty-six million, four thousand, twenty-six".