421849480 has 64 divisors (see below), whose sum is σ = 1036269360. Its totient is φ = 153612288.

The previous prime is 421849459. The next prime is 421849507. The reversal of 421849480 is 84948124.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 15665764 + 406183716 = 3958^2 + 20154^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32404 + ... + 43516.

Almost surely, 2^421849480 is an apocalyptic number.

421849480 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 421849480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (518134680).

421849480 is an abundant number, since it is smaller than the sum of its proper divisors (614419880).

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

421849480 is a wasteful number, since it uses less digits than its factorization.

421849480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11210 (or 11206 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 421849480 is about 20538.9746579521. The cubic root of 421849480 is about 749.9848767321.

The spelling of 421849480 in words is "four hundred twenty-one million, eight hundred forty-nine thousand, four hundred eighty".