33440421420330 has 16 divisors (see below), whose sum is σ = 80257011408864. Its totient is φ = 8917445712080.

The previous prime is 33440421420257. The next prime is 33440421420347. The reversal of 33440421420330 is 3302412404433.

It is a happy number.

It is a super-2 number, since 2×33440421420330² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33440421420291 and 33440421420300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557340356976 + ... + 557340357035.

It is an arithmetic number, because the mean of its divisors is an integer number (5016063213054).

Almost surely, 2^{33440421420330} is an apocalyptic number.

33440421420330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33440421420330 is an abundant number, since it is smaller than the sum of its proper divisors (46816589988534).

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

33440421420330 is a wasteful number, since it uses less digits than its factorization.

33440421420330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114680714021.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 33440421420330 its reverse (3302412404433), we get a palindrome (36742833824763).

The spelling of 33440421420330 in words is "thirty-three trillion, four hundred forty billion, four hundred twenty-one million, four hundred twenty thousand, three hundred thirty".