421043340325100 has 36 divisors (see below), whose sum is σ = 913680484227168. Its totient is φ = 168414306504000.

The previous prime is 421043340325067. The next prime is 421043340325103. The reversal of 421043340325100 is 1523043340124.

It is not an unprimeable number, because it can be changed into a prime (421043340325103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32279411 + ... + 43405610.

Almost surely, 2^{421043340325100} is an apocalyptic number.

It is an amenable number.

421043340325100 is an abundant number, since it is smaller than the sum of its proper divisors (492637143902068).

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

421043340325100 is a wasteful number, since it uses less digits than its factorization.

421043340325100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75740666 (or 75740659 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 421043340325100 its reverse (1523043340124), we get a palindrome (422566383665224).

The spelling of 421043340325100 in words is "four hundred twenty-one trillion, forty-three billion, three hundred forty million, three hundred twenty-five thousand, one hundred".