420015162 has 64 divisors (see below), whose sum is σ = 987955200. Its totient is φ = 118985328.

The previous prime is 420015131. The next prime is 420015181. The reversal of 420015162 is 261510024.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 260563 + ... + 262169.

It is an arithmetic number, because the mean of its divisors is an integer number (15436800).

Almost surely, 2^420015162 is an apocalyptic number.

420015162 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 420015162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (493977600).

420015162 is an abundant number, since it is smaller than the sum of its proper divisors (567940038).

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

420015162 is a wasteful number, since it uses less digits than its factorization.

420015162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760 (or 1746 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 420015162 is about 20494.2714435034. The cubic root of 420015162 is about 748.8962502232.

Adding to 420015162 its reverse (261510024), we get a palindrome (681525186).

It can be divided in two parts, 4200 and 15162, that multiplied together give a square (63680400 = 7980²).

The spelling of 420015162 in words is "four hundred twenty million, fifteen thousand, one hundred sixty-two".