42031103240 has 192 divisors, whose sum is σ = 112426030080. Its totient is φ = 13852684800.

The previous prime is 42031103239. The next prime is 42031103267. The reversal of 42031103240 is 4230113024.

It is a super-2 number, since 2×42031103240² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 48703049 + ... + 48703911.

It is an arithmetic number, because the mean of its divisors is an integer number (585552240).

Almost surely, 2^42031103240 is an apocalyptic number.

42031103240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42031103240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56213015040).

42031103240 is an abundant number, since it is smaller than the sum of its proper divisors (70394926840).

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

42031103240 is a wasteful number, since it uses less digits than its factorization.

42031103240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124 (or 1089 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 42031103240 its reverse (4230113024), we get a palindrome (46261216264).

The spelling of 42031103240 in words is "forty-two billion, thirty-one million, one hundred three thousand, two hundred forty".