3420021040325 has 24 divisors (see below), whose sum is σ = 4396601474496. Its totient is φ = 2637124592000.

The previous prime is 3420021040309. The next prime is 3420021040339. The reversal of 3420021040325 is 5230401200243.

It is not a de Polignac number, because 3420021040325 - 2⁴ = 3420021040309 is a prime.

It is a super-2 number, since 2×3420021040325² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3420021040294 and 3420021040303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20014961 + ... + 20185110.

It is an arithmetic number, because the mean of its divisors is an integer number (183191728104).

Almost surely, 2^{3420021040325} is an apocalyptic number.

It is an amenable number.

3420021040325 is a deficient number, since it is larger than the sum of its proper divisors (976580434171).

3420021040325 is a wasteful number, since it uses less digits than its factorization.

3420021040325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40200205 (or 40200200 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 3420021040325 its reverse (5230401200243), we get a palindrome (8650422240568).

The spelling of 3420021040325 in words is "three trillion, four hundred twenty billion, twenty-one million, forty thousand, three hundred twenty-five".