402841448 has 16 divisors (see below), whose sum is σ = 765675780. Its totient is φ = 198661248.

The previous prime is 402841447. The next prime is 402841451. The reversal of 402841448 is 844148204.

It can be written as a sum of positive squares in 2 ways, for example, as 402483844 + 357604 = 20062^2 + 598^2 .

It is not an unprimeable number, because it can be changed into a prime (402841447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344315 + ... + 345482.

Almost surely, 2^402841448 is an apocalyptic number.

It is an amenable number.

402841448 is a deficient number, since it is larger than the sum of its proper divisors (362834332).

402841448 is a wasteful number, since it uses less digits than its factorization.

402841448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689876 (or 689872 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 35.

The square root of 402841448 is about 20070.9104925512. The cubic root of 402841448 is about 738.5468488003.

The spelling of 402841448 in words is "four hundred two million, eight hundred forty-one thousand, four hundred forty-eight".