42340400343525 has 24 divisors (see below), whose sum is σ = 70466389923904. Its totient is φ = 22432000176000.

The previous prime is 42340400343499. The next prime is 42340400343529. The reversal of 42340400343525 is 52534300404324.

It is not a de Polignac number, because 42340400343525 - 2³⁷ = 42202961390053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42340400343529) 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 23 ways as a sum of consecutive naturals, for example, 1869322024 + ... + 1869344673.

Almost surely, 2^{42340400343525} is an apocalyptic number.

It is an amenable number.

42340400343525 is a deficient number, since it is larger than the sum of its proper divisors (28125989580379).

42340400343525 is a wasteful number, since it uses less digits than its factorization.

42340400343525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3738666861 (or 3738666856 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 39.

Adding to 42340400343525 its reverse (52534300404324), we get a palindrome (94874700747849).

The spelling of 42340400343525 in words is "forty-two trillion, three hundred forty billion, four hundred million, three hundred forty-three thousand, five hundred twenty-five".