42351052542 has 32 divisors (see below), whose sum is σ = 85134864672. Its totient is φ = 14044990464.

The previous prime is 42351052537. The next prime is 42351052559. The reversal of 42351052542 is 24525015324.

It is a happy number.

It is a super-2 number, since 2×42351052542² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 1801528 + ... + 1824884.

It is an arithmetic number, because the mean of its divisors is an integer number (2660464521).

Almost surely, 2^42351052542 is an apocalyptic number.

42351052542 is an abundant number, since it is smaller than the sum of its proper divisors (42783812130).

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

42351052542 is a wasteful number, since it uses less digits than its factorization.

42351052542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24892.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 42351052542 its reverse (24525015324), we get a palindrome (66876067866).

The spelling of 42351052542 in words is "forty-two billion, three hundred fifty-one million, fifty-two thousand, five hundred forty-two".