421244310303042 has 16 divisors (see below), whose sum is σ = 846765212591232. Its totient is φ = 139702004770160.

The previous prime is 421244310303031. The next prime is 421244310303043. The reversal of 421244310303042 is 240303013442124.

It is a junction number, because it is equal to n+sod(n) for n = 421244310302994 and 421244310303012.

It is not an unprimeable number, because it can be changed into a prime (421244310303043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178191331434 + ... + 178191333797.

It is an arithmetic number, because the mean of its divisors is an integer number (52922825786952).

Almost surely, 2^{421244310303042} is an apocalyptic number.

421244310303042 is an abundant number, since it is smaller than the sum of its proper divisors (425520902288190).

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

421244310303042 is a wasteful number, since it uses less digits than its factorization.

421244310303042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356382665433.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 421244310303042 its reverse (240303013442124), we get a palindrome (661547323745166).

The spelling of 421244310303042 in words is "four hundred twenty-one trillion, two hundred forty-four billion, three hundred ten million, three hundred three thousand, forty-two".