421551104 has 44 divisors (see below), whose sum is σ = 907541544. Its totient is φ = 194555904.

The previous prime is 421551103. The next prime is 421551121. The reversal of 421551104 is 401155124.

It is a self number, because there is not a number n which added to its sum of digits gives 421551104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421551103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2522 + ... + 29145.

Almost surely, 2^421551104 is an apocalyptic number.

It is an amenable number.

421551104 is an abundant number, since it is smaller than the sum of its proper divisors (485990440).

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

421551104 is a wasteful number, since it uses less digits than its factorization.

421551104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31700 (or 31682 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 421551104 is about 20531.7097193585. The cubic root of 421551104 is about 749.8080124882.

The spelling of 421551104 in words is "four hundred twenty-one million, five hundred fifty-one thousand, one hundred four".