421454016 has 70 divisors (see below), whose sum is σ = 1249337100. Its totient is φ = 140482944.

The previous prime is 421454003. The next prime is 421454023. The reversal of 421454016 is 610454124.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 35466 + ... + 45833.

Almost surely, 2^421454016 is an apocalyptic number.

It is an amenable number.

421454016 is an abundant number, since it is smaller than the sum of its proper divisors (827883084).

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

421454016 is an equidigital number, since it uses as much as digits as its factorization.

421454016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81323 (or 81304 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 421454016 is about 20529.3452404113. The cubic root of 421454016 is about 749.7504449723.

The spelling of 421454016 in words is "four hundred twenty-one million, four hundred fifty-four thousand, sixteen".