401145446 has 16 divisors (see below), whose sum is σ = 660232944. Its totient is φ = 181650144.

The previous prime is 401145419. The next prime is 401145467. The reversal of 401145446 is 644541104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144176 + ... + 146931.

It is an arithmetic number, because the mean of its divisors is an integer number (41264559).

Almost surely, 2^401145446 is an apocalyptic number.

401145446 is a deficient number, since it is larger than the sum of its proper divisors (259087498).

401145446 is a wasteful number, since it uses less digits than its factorization.

401145446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291175.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 401145446 is about 20028.6156785735. The cubic root of 401145446 is about 737.5089393152.

The spelling of 401145446 in words is "four hundred one million, one hundred forty-five thousand, four hundred forty-six".