420006352 has 40 divisors (see below), whose sum is σ = 889443072. Its totient is φ = 191270400.

The previous prime is 420006347. The next prime is 420006373. The reversal of 420006352 is 253600024.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16474 + ... + 33337.

Almost surely, 2^420006352 is an apocalyptic number.

It is an amenable number.

420006352 is an abundant number, since it is smaller than the sum of its proper divisors (469436720).

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

420006352 is a wasteful number, since it uses less digits than its factorization.

420006352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49867 (or 49861 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 420006352 is about 20494.0565042648. The cubic root of 420006352 is about 748.8910140455.

Adding to 420006352 its reverse (253600024), we get a palindrome (673606376).

The spelling of 420006352 in words is "four hundred twenty million, six thousand, three hundred fifty-two".