420995912 has 8 divisors (see below), whose sum is σ = 789367350. Its totient is φ = 210497952.

The previous prime is 420995893. The next prime is 420995947. The reversal of 420995912 is 219599024.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 395452996 + 25542916 = 19886^2 + 5054^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 420995912.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26312237 + ... + 26312252.

Almost surely, 2^420995912 is an apocalyptic number.

It is an amenable number.

420995912 is a deficient number, since it is larger than the sum of its proper divisors (368371438).

420995912 is a wasteful number, since it uses less digits than its factorization.

420995912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52624495 (or 52624491 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 420995912 is about 20518.1849099768. The cubic root of 420995912 is about 749.4786967041.

The spelling of 420995912 in words is "four hundred twenty million, nine hundred ninety-five thousand, nine hundred twelve".