43404420032442 has 72 divisors (see below), whose sum is σ = 109887423924096. Its totient is φ = 12345651766224.

The previous prime is 43404420032387. The next prime is 43404420032453. The reversal of 43404420032442 is 24423002440434.

43404420032442 is a `hidden beast` number, since 4 + 3 + 4 + 0 + 4 + 4 + 200 + 3 + 2 + 442 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 43404420032397 and 43404420032406.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 110142688 + ... + 110536059.

It is an arithmetic number, because the mean of its divisors is an integer number (1526214221168).

Almost surely, 2^{43404420032442} is an apocalyptic number.

43404420032442 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

43404420032442 is an abundant number, since it is smaller than the sum of its proper divisors (66483003891654).

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

43404420032442 is a wasteful number, since it uses less digits than its factorization.

43404420032442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220678992 (or 220678982 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 36.

Adding to 43404420032442 its reverse (24423002440434), we get a palindrome (67827422472876).

The spelling of 43404420032442 in words is "forty-three trillion, four hundred four billion, four hundred twenty million, thirty-two thousand, four hundred forty-two".