42510237730 has 8 divisors (see below), whose sum is σ = 76518427932. Its totient is φ = 17004095088.

The previous prime is 42510237667. The next prime is 42510237733. The reversal of 42510237730 is 3773201524.

It can be written as a sum of positive squares in 2 ways, for example, as 42226551081 + 283686649 = 205491^2 + 16843^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42510237730² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42510237733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2125511877 + ... + 2125511896.

Almost surely, 2^42510237730 is an apocalyptic number.

42510237730 is a deficient number, since it is larger than the sum of its proper divisors (34008190202).

42510237730 is a wasteful number, since it uses less digits than its factorization.

42510237730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4251023780.

The product of its (nonzero) digits is 35280, while the sum is 34.

The spelling of 42510237730 in words is "forty-two billion, five hundred ten million, two hundred thirty-seven thousand, seven hundred thirty".