421510125396 has 48 divisors (see below), whose sum is σ = 985904680320. Its totient is φ = 140163563520.

The previous prime is 421510125383. The next prime is 421510125431. The reversal of 421510125396 is 693521015124.

It is a happy number.

It is a super-2 number, since 2×421510125396² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10442020 + ... + 10482308.

It is an arithmetic number, because the mean of its divisors is an integer number (20539680840).

Almost surely, 2^421510125396 is an apocalyptic number.

It is an amenable number.

421510125396 is an abundant number, since it is smaller than the sum of its proper divisors (564394554924).

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

421510125396 is a wasteful number, since it uses less digits than its factorization.

421510125396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42384 (or 42382 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 421510125396 in words is "four hundred twenty-one billion, five hundred ten million, one hundred twenty-five thousand, three hundred ninety-six".