420361662 has 128 divisors (see below), whose sum is σ = 1085644800. Its totient is φ = 105722496.

The previous prime is 420361651. The next prime is 420361663. The reversal of 420361662 is 266163024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420361663) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 678789 + ... + 679407.

It is an arithmetic number, because the mean of its divisors is an integer number (8481600).

Almost surely, 2^420361662 is an apocalyptic number.

420361662 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 420361662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542822400).

420361662 is an abundant number, since it is smaller than the sum of its proper divisors (665283138).

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

420361662 is a wasteful number, since it uses less digits than its factorization.

420361662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 420361662 is about 20502.7232825301. The cubic root of 420361662 is about 749.1021326523.

The spelling of 420361662 in words is "four hundred twenty million, three hundred sixty-one thousand, six hundred sixty-two".