420395452 has 12 divisors (see below), whose sum is σ = 738906280. Its totient is φ = 209279376.

The previous prime is 420395447. The next prime is 420395471. The reversal of 420395452 is 254593024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228558 + ... + 230389.

Almost surely, 2^420395452 is an apocalyptic number.

It is an amenable number.

420395452 is a deficient number, since it is larger than the sum of its proper divisors (318510828).

420395452 is a wasteful number, since it uses less digits than its factorization.

420395452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459180 (or 459178 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 420395452 is about 20503.5473028449. The cubic root of 420395452 is about 749.1222038475.

The spelling of 420395452 in words is "four hundred twenty million, three hundred ninety-five thousand, four hundred fifty-two".