420089516 has 48 divisors (see below), whose sum is σ = 970486272. Its totient is φ = 154041600.

The previous prime is 420089497. The next prime is 420089521. The reversal of 420089516 is 615980024.

It is a super-2 number, since 2×420089516² = 352950402906228512, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

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, 34880 + ... + 45351.

It is an arithmetic number, because the mean of its divisors is an integer number (20218464).

Almost surely, 2^420089516 is an apocalyptic number.

It is an amenable number.

420089516 is an abundant number, since it is smaller than the sum of its proper divisors (550396756).

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

420089516 is a wasteful number, since it uses less digits than its factorization.

420089516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80270 (or 80268 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 420089516 is about 20496.0853823358. The cubic root of 420089516 is about 748.9404392203.

The spelling of 420089516 in words is "four hundred twenty million, eighty-nine thousand, five hundred sixteen".