421454680 has 64 divisors (see below), whose sum is σ = 984441600. Its totient is φ = 162193920.

The previous prime is 421454647. The next prime is 421454681. The reversal of 421454680 is 86454124.

421454680 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421454681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487929 + ... + 488791.

It is an arithmetic number, because the mean of its divisors is an integer number (15381900).

Almost surely, 2^421454680 is an apocalyptic number.

421454680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421454680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492220800).

421454680 is an abundant number, since it is smaller than the sum of its proper divisors (562986920).

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

421454680 is a wasteful number, since it uses less digits than its factorization.

421454680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324 (or 1320 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 421454680 is about 20529.3614123772. The cubic root of 421454680 is about 749.7508387155.

The spelling of 421454680 in words is "four hundred twenty-one million, four hundred fifty-four thousand, six hundred eighty".