42252706730 has 64 divisors (see below), whose sum is σ = 86318144640. Its totient is φ = 14762393856.

The previous prime is 42252706721. The next prime is 42252706733. The reversal of 42252706730 is 3760725224.

It is a super-2 number, since 2×42252706730² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (42252706733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2171324 + ... + 2190696.

It is an arithmetic number, because the mean of its divisors is an integer number (1348721010).

Almost surely, 2^42252706730 is an apocalyptic number.

42252706730 is an abundant number, since it is smaller than the sum of its proper divisors (44065437910).

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

42252706730 is a wasteful number, since it uses less digits than its factorization.

42252706730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20295.

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 42252706730 in words is "forty-two billion, two hundred fifty-two million, seven hundred six thousand, seven hundred thirty".