42641510234 has 4 divisors (see below), whose sum is σ = 63962265354. Its totient is φ = 21320755116.

The previous prime is 42641510231. The next prime is 42641510239. The reversal of 42641510234 is 43201514624.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 29878159609 + 12763350625 = 172853^2 + 112975^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42641510234.

It is not an unprimeable number, because it can be changed into a prime (42641510231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10660377557 + ... + 10660377560.

Almost surely, 2^42641510234 is an apocalyptic number.

42641510234 is a deficient number, since it is larger than the sum of its proper divisors (21320755120).

42641510234 is a wasteful number, since it uses less digits than its factorization.

42641510234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21320755119.

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 42641510234 in words is "forty-two billion, six hundred forty-one million, five hundred ten thousand, two hundred thirty-four".