420275776 has 14 divisors (see below), whose sum is σ = 833984870. Its totient is φ = 210137856.

The previous prime is 420275761. The next prime is 420275797. The reversal of 420275776 is 677572024.

It can be written as a sum of positive squares in only one way, i.e., 304153600 + 116122176 = 17440^2 + 10776^2 .

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 as a sum of consecutive naturals, namely, 3283341 + ... + 3283468.

Almost surely, 2^420275776 is an apocalyptic number.

It is an amenable number.

420275776 is a deficient number, since it is larger than the sum of its proper divisors (413709094).

420275776 is an equidigital number, since it uses as much as digits as its factorization.

420275776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6566821 (or 6566811 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 40.

The square root of 420275776 is about 20500.6286732871. The cubic root of 420275776 is about 749.0511116913.

The spelling of 420275776 in words is "four hundred twenty million, two hundred seventy-five thousand, seven hundred seventy-six".