420652632 has 64 divisors (see below), whose sum is σ = 1087188480. Its totient is φ = 135550592.

The previous prime is 420652601. The next prime is 420652649. The reversal of 420652632 is 236256024.

It is a self number, because there is not a number n which added to its sum of digits gives 420652632.

It is a congruent number.

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, 91378 + ... + 95870.

It is an arithmetic number, because the mean of its divisors is an integer number (16987320).

Almost surely, 2^420652632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420652632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (543594240).

420652632 is an abundant number, since it is smaller than the sum of its proper divisors (666535848).

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

420652632 is a wasteful number, since it uses less digits than its factorization.

420652632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4632 (or 4628 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 420652632 is about 20509.8179416591. The cubic root of 420652632 is about 749.2749330409.

The spelling of 420652632 in words is "four hundred twenty million, six hundred fifty-two thousand, six hundred thirty-two".