43402042332 has 72 divisors (see below), whose sum is σ = 119825662320. Its totient is φ = 13136613120.

The previous prime is 43402042289. The next prime is 43402042363. The reversal of 43402042332 is 23324020434.

43402042332 is a `hidden beast` number, since 434 + 0 + 204 + 23 + 3 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 43402042296 and 43402042305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 273544 + ... + 402032.

It is an arithmetic number, because the mean of its divisors is an integer number (1664245310).

Almost surely, 2^43402042332 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 43402042332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59912831160).

43402042332 is an abundant number, since it is smaller than the sum of its proper divisors (76423619988).

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

43402042332 is a wasteful number, since it uses less digits than its factorization.

43402042332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129363 (or 129358 counting only the distinct ones).

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

Adding to 43402042332 its reverse (23324020434), we get a palindrome (66726062766).

The spelling of 43402042332 in words is "forty-three billion, four hundred two million, forty-two thousand, three hundred thirty-two".