420325880 has 64 divisors (see below), whose sum is σ = 1020751200. Its totient is φ = 154851840.

The previous prime is 420325879. The next prime is 420325889. The reversal of 420325880 is 88523024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420325889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446210 + ... + 447150.

Almost surely, 2^420325880 is an apocalyptic number.

420325880 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 420325880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (510375600).

420325880 is an abundant number, since it is smaller than the sum of its proper divisors (600425320).

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

420325880 is a wasteful number, since it uses less digits than its factorization.

420325880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824 (or 1820 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 420325880 is about 20501.8506481732. The cubic root of 420325880 is about 749.0808770404.

The spelling of 420325880 in words is "four hundred twenty million, three hundred twenty-five thousand, eight hundred eighty".