42112031424 has 112 divisors (see below), whose sum is σ = 118970218752. Its totient is φ = 13114708992.

The previous prime is 42112031393. The next prime is 42112031441. The reversal of 42112031424 is 42413021124.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 42112031394 and 42112031403.

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, 79002 + ... + 300774.

It is an arithmetic number, because the mean of its divisors is an integer number (1062234096).

Almost surely, 2^42112031424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42112031424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59485109376).

42112031424 is an abundant number, since it is smaller than the sum of its proper divisors (76858187328).

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

42112031424 is a wasteful number, since it uses less digits than its factorization.

42112031424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221854 (or 221844 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 42112031424 its reverse (42413021124), we get a palindrome (84525052548).

The spelling of 42112031424 in words is "forty-two billion, one hundred twelve million, thirty-one thousand, four hundred twenty-four".