421404237480 has 64 divisors (see below), whose sum is σ = 1304993779200. Its totient is φ = 108749479680.

The previous prime is 421404237461. The next prime is 421404237493. The reversal of 421404237480 is 84732404124.

It is a super-2 number, since 2×421404237480² (a number of 24 digits) contains 22 as substring.

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, 56636635 + ... + 56644074.

It is an arithmetic number, because the mean of its divisors is an integer number (20390527800).

Almost surely, 2^421404237480 is an apocalyptic number.

421404237480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421404237480 is an abundant number, since it is smaller than the sum of its proper divisors (883589541720).

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

421404237480 is a wasteful number, since it uses less digits than its factorization.

421404237480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113280754 (or 113280750 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 39.

The spelling of 421404237480 in words is "four hundred twenty-one billion, four hundred four million, two hundred thirty-seven thousand, four hundred eighty".