421001525341042 has 16 divisors (see below), whose sum is σ = 640225594179360. Its totient is φ = 207593647911072.

The previous prime is 421001525341013. The next prime is 421001525341051. The reversal of 421001525341042 is 240143525100124.

It is a junction number, because it is equal to n+sod(n) for n = 421001525340989 and 421001525341007.

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, 162198768 + ... + 164773915.

It is an arithmetic number, because the mean of its divisors is an integer number (40014099636210).

Almost surely, 2^{421001525341042} is an apocalyptic number.

421001525341042 is a deficient number, since it is larger than the sum of its proper divisors (219224068838318).

421001525341042 is a wasteful number, since it uses less digits than its factorization.

421001525341042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326981577.

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 421001525341042 in words is "four hundred twenty-one trillion, one billion, five hundred twenty-five million, three hundred forty-one thousand, forty-two".