42030242344 has 8 divisors (see below), whose sum is σ = 78806704410. Its totient is φ = 21015121168.

The previous prime is 42030242341. The next prime is 42030242347. The reversal of 42030242344 is 44324203024.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42030242341) and next prime (42030242347).

It can be written as a sum of positive squares in only one way, i.e., 33573232900 + 8457009444 = 183230^2 + 91962^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×42030242344² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42030242341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2626890139 + ... + 2626890154.

Almost surely, 2^42030242344 is an apocalyptic number.

It is an amenable number.

42030242344 is a deficient number, since it is larger than the sum of its proper divisors (36776462066).

42030242344 is a wasteful number, since it uses less digits than its factorization.

42030242344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5253780299 (or 5253780295 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 42030242344 its reverse (44324203024), we get a palindrome (86354445368).

The spelling of 42030242344 in words is "forty-two billion, thirty million, two hundred forty-two thousand, three hundred forty-four".