42433402320 has 120 divisors (see below), whose sum is σ = 142914681000. Its totient is φ = 11283084288.

The previous prime is 42433402267. The next prime is 42433402339. The reversal of 42433402320 is 2320433424.

42433402320 is a `hidden beast` number, since 4 + 2 + 4 + 334 + 0 + 2 + 320 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1993801104 + 40439601216 = 44652^2 + 201096^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 166846 + ... + 335714.

It is an arithmetic number, because the mean of its divisors is an integer number (1190955675).

Almost surely, 2^42433402320 is an apocalyptic number.

42433402320 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 42433402320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71457340500).

42433402320 is an abundant number, since it is smaller than the sum of its proper divisors (100481278680).

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

42433402320 is a wasteful number, since it uses less digits than its factorization.

42433402320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169237 (or 169228 counting only the distinct ones).

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

Adding to 42433402320 its reverse (2320433424), we get a palindrome (44753835744).

The spelling of 42433402320 in words is "forty-two billion, four hundred thirty-three million, four hundred two thousand, three hundred twenty".