420037816 has 16 divisors (see below), whose sum is σ = 859168440. Its totient is φ = 190926240.

The previous prime is 420037781. The next prime is 420037823. The reversal of 420037816 is 618730024.

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 3 ways as a sum of consecutive naturals, for example, 2386491 + ... + 2386666.

Almost surely, 2^420037816 is an apocalyptic number.

It is an amenable number.

420037816 is an abundant number, since it is smaller than the sum of its proper divisors (439130624).

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

420037816 is a wasteful number, since it uses less digits than its factorization.

420037816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4773174 (or 4773170 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 420037816 is about 20494.8241270815. The cubic root of 420037816 is about 748.9097141742.

The spelling of 420037816 in words is "four hundred twenty million, thirty-seven thousand, eight hundred sixteen".