42431252014434 has 32 divisors (see below), whose sum is σ = 85234418740800. Its totient is φ = 14081887512000.

The previous prime is 42431252014391. The next prime is 42431252014457. The reversal of 42431252014434 is 43441025213424.

It is a super-2 number, since 2×42431252014434² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42431252014392 and 42431252014401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13943592 + ... + 16711859.

It is an arithmetic number, because the mean of its divisors is an integer number (2663575585650).

Almost surely, 2^{42431252014434} is an apocalyptic number.

42431252014434 is an abundant number, since it is smaller than the sum of its proper divisors (42803166726366).

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

42431252014434 is a wasteful number, since it uses less digits than its factorization.

42431252014434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30656466.

The product of its (nonzero) digits is 368640, while the sum is 39.

Adding to 42431252014434 its reverse (43441025213424), we get a palindrome (85872277227858).

The spelling of 42431252014434 in words is "forty-two trillion, four hundred thirty-one billion, two hundred fifty-two million, fourteen thousand, four hundred thirty-four".