420052524 has 48 divisors (see below), whose sum is σ = 1039223808. Its totient is φ = 131597568.

The previous prime is 420052517. The next prime is 420052553. The reversal of 420052524 is 425250024.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 420052494 and 420052503.

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, 289569 + ... + 291015.

It is an arithmetic number, because the mean of its divisors is an integer number (21650496).

Almost surely, 2^420052524 is an apocalyptic number.

It is an amenable number.

420052524 is an abundant number, since it is smaller than the sum of its proper divisors (619171284).

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

420052524 is a wasteful number, since it uses less digits than its factorization.

420052524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894 (or 2892 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 420052524 is about 20495.1829462437. The cubic root of 420052524 is about 748.9184553201.

The spelling of 420052524 in words is "four hundred twenty million, fifty-two thousand, five hundred twenty-four".