42340400343541 has 16 divisors (see below), whose sum is σ = 43066998937600. Its totient is φ = 41619976227648.

The previous prime is 42340400343539. The next prime is 42340400343629. The reversal of 42340400343541 is 14534300404324.

It is a cyclic number.

It is not a de Polignac number, because 42340400343541 - 2¹ = 42340400343539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42340400343541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42340400343841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495578215 + ... + 495663643.

It is an arithmetic number, because the mean of its divisors is an integer number (2691687433600).

Almost surely, 2^{42340400343541} is an apocalyptic number.

It is an amenable number.

42340400343541 is a deficient number, since it is larger than the sum of its proper divisors (726598594059).

42340400343541 is a wasteful number, since it uses less digits than its factorization.

42340400343541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121468.

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 42340400343541 its reverse (14534300404324), we get a palindrome (56874700747865).

The spelling of 42340400343541 in words is "forty-two trillion, three hundred forty billion, four hundred million, three hundred forty-three thousand, five hundred forty-one".