421548466 has 16 divisors (see below), whose sum is σ = 657432000. Its totient is φ = 202477968.

The previous prime is 421548427. The next prime is 421548539. The reversal of 421548466 is 664845124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6720 + ... + 29803.

It is an arithmetic number, because the mean of its divisors is an integer number (41089500).

Almost surely, 2^421548466 is an apocalyptic number.

421548466 is a deficient number, since it is larger than the sum of its proper divisors (235883534).

421548466 is a wasteful number, since it uses less digits than its factorization.

421548466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36753.

The product of its digits is 184320, while the sum is 40.

The square root of 421548466 is about 20531.6454771652. The cubic root of 421548466 is about 749.8064484251.

The spelling of 421548466 in words is "four hundred twenty-one million, five hundred forty-eight thousand, four hundred sixty-six".