421118580 has 48 divisors (see below), whose sum is σ = 1184065344. Its totient is φ = 111828480.

The previous prime is 421118573. The next prime is 421118587. The reversal of 421118580 is 85811124.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (421118573) and next prime (421118587).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421118587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102 + ... + 29021.

It is an arithmetic number, because the mean of its divisors is an integer number (24668028).

Almost surely, 2^421118580 is an apocalyptic number.

It is an amenable number.

421118580 is an abundant number, since it is smaller than the sum of its proper divisors (762946764).

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

421118580 is a wasteful number, since it uses less digits than its factorization.

421118580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29376 (or 29374 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 30.

The square root of 421118580 is about 20521.1739430277. The cubic root of 421118580 is about 749.5514829412.

It can be divided in two parts, 4211 and 18580, that added together give a triangular number (22791 = T₂₁₃).

The spelling of 421118580 in words is "four hundred twenty-one million, one hundred eighteen thousand, five hundred eighty".