23332440042 has 64 divisors (see below), whose sum is σ = 53666064000. Its totient is φ = 7505334144.

The previous prime is 23332440031. The next prime is 23332440073. The reversal of 23332440042 is 24004423332.

23332440042 is a `hidden beast` number, since 233 + 3 + 24 + 400 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 23332439988 and 23332440015.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5022973 + ... + 5027615.

It is an arithmetic number, because the mean of its divisors is an integer number (838532250).

Almost surely, 2^23332440042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23332440042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26833032000).

23332440042 is an abundant number, since it is smaller than the sum of its proper divisors (30333623958).

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

23332440042 is a wasteful number, since it uses less digits than its factorization.

23332440042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7892 (or 7886 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 23332440042 its reverse (24004423332), we get a palindrome (47336863374).

The spelling of 23332440042 in words is "twenty-three billion, three hundred thirty-two million, four hundred forty thousand, forty-two".