42351431504 has 80 divisors (see below), whose sum is σ = 85387659840. Its totient is φ = 20334720000.

The previous prime is 42351431503. The next prime is 42351431519. The reversal of 42351431504 is 40513415324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42351431503) 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 15 ways as a sum of consecutive naturals, for example, 11858039 + ... + 11861609.

It is an arithmetic number, because the mean of its divisors is an integer number (1067345748).

Almost surely, 2^42351431504 is an apocalyptic number.

It is an amenable number.

42351431504 is an abundant number, since it is smaller than the sum of its proper divisors (43036228336).

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

42351431504 is a wasteful number, since it uses less digits than its factorization.

42351431504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900 (or 3894 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 42351431504 its reverse (40513415324), we get a palindrome (82864846828).

The spelling of 42351431504 in words is "forty-two billion, three hundred fifty-one million, four hundred thirty-one thousand, five hundred four".