421034705720 has 64 divisors (see below), whose sum is σ = 954361980000. Its totient is φ = 167165019648.

The previous prime is 421034705677. The next prime is 421034705803. The reversal of 421034705720 is 27507430124.

It is a super-3 number, since 3×421034705720³ (a number of 36 digits) contains 333 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, 8635571 + ... + 8684189.

Almost surely, 2^421034705720 is an apocalyptic number.

421034705720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421034705720 is an abundant number, since it is smaller than the sum of its proper divisors (533327274280).

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

421034705720 is a wasteful number, since it uses less digits than its factorization.

421034705720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50232 (or 50228 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The spelling of 421034705720 in words is "four hundred twenty-one billion, thirty-four million, seven hundred five thousand, seven hundred twenty".