440413403421442 has 64 divisors (see below), whose sum is σ = 746454337539840. Its totient is φ = 193044710073600.

The previous prime is 440413403421401. The next prime is 440413403421491. The reversal of 440413403421442 is 244124304314044.

It is a junction number, because it is equal to n+sod(n) for n = 440413403421395 and 440413403421404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1661823688 + ... + 1662088684.

It is an arithmetic number, because the mean of its divisors is an integer number (11663349024060).

Almost surely, 2^{440413403421442} is an apocalyptic number.

440413403421442 is a deficient number, since it is larger than the sum of its proper divisors (306040934118398).

440413403421442 is a wasteful number, since it uses less digits than its factorization.

440413403421442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268267.

The product of its (nonzero) digits is 589824, while the sum is 40.

Adding to 440413403421442 its reverse (244124304314044), we get a palindrome (684537707735486).

The spelling of 440413403421442 in words is "four hundred forty trillion, four hundred thirteen billion, four hundred three million, four hundred twenty-one thousand, four hundred forty-two".