42340242344 has 16 divisors (see below), whose sum is σ = 79874999520. Its totient is φ = 21040242480.

The previous prime is 42340242337. The next prime is 42340242349. The reversal of 42340242344 is 44324204324.

It is a super-2 number, since 2×42340242344² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42340242344.

It is not an unprimeable number, because it can be changed into a prime (42340242349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16233452 + ... + 16236059.

It is an arithmetic number, because the mean of its divisors is an integer number (4992187470).

Almost surely, 2^42340242344 is an apocalyptic number.

It is an amenable number.

42340242344 is a deficient number, since it is larger than the sum of its proper divisors (37534757176).

42340242344 is a wasteful number, since it uses less digits than its factorization.

42340242344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32469680 (or 32469676 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 42340242344 its reverse (44324204324), we get a palindrome (86664446668).

The spelling of 42340242344 in words is "forty-two billion, three hundred forty million, two hundred forty-two thousand, three hundred forty-four".