3420021040224 has 24 divisors (see below), whose sum is σ = 8977555230840. Its totient is φ = 1140007013376.

The previous prime is 3420021040223. The next prime is 3420021040229. The reversal of 3420021040224 is 4220401200243.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 3420021040194 and 3420021040203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420021040223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17812609489 + ... + 17812609680.

It is an arithmetic number, because the mean of its divisors is an integer number (374064801285).

Almost surely, 2^{3420021040224} is an apocalyptic number.

It is an amenable number.

3420021040224 is an abundant number, since it is smaller than the sum of its proper divisors (5557534190616).

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

3420021040224 is a wasteful number, since it uses less digits than its factorization.

3420021040224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35625219182 (or 35625219174 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 3420021040224 its reverse (4220401200243), we get a palindrome (7640422240467).

The spelling of 3420021040224 in words is "three trillion, four hundred twenty billion, twenty-one million, forty thousand, two hundred twenty-four".