402055446 has 16 divisors (see below), whose sum is σ = 865965744. Its totient is φ = 123709344.

The previous prime is 402055429. The next prime is 402055487. The reversal of 402055446 is 644550204.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2577201 + ... + 2577356.

It is an arithmetic number, because the mean of its divisors is an integer number (54122859).

Almost surely, 2^402055446 is an apocalyptic number.

402055446 is an abundant number, since it is smaller than the sum of its proper divisors (463910298).

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

402055446 is a wasteful number, since it uses less digits than its factorization.

402055446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5154575.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 402055446 is about 20051.3203056557. The cubic root of 402055446 is about 738.0661987753.

The spelling of 402055446 in words is "four hundred two million, fifty-five thousand, four hundred forty-six".