402055445 has 16 divisors (see below), whose sum is σ = 527409792. Its totient is φ = 291802560.

The previous prime is 402055429. The next prime is 402055487. The reversal of 402055445 is 544550204.

It is not a de Polignac number, because 402055445 - 2⁴ = 402055429 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 20399 + ... + 34931.

It is an arithmetic number, because the mean of its divisors is an integer number (32963112).

Almost surely, 2^402055445 is an apocalyptic number.

It is an amenable number.

402055445 is a deficient number, since it is larger than the sum of its proper divisors (125354347).

402055445 is a wasteful number, since it uses less digits than its factorization.

402055445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15052.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 402055445 is about 20051.3202807197. The cubic root of 402055445 is about 738.0661981634.

The spelling of 402055445 in words is "four hundred two million, fifty-five thousand, four hundred forty-five".