401655448 has 16 divisors (see below), whose sum is σ = 753515280. Its totient is φ = 200718048.

The previous prime is 401655433. The next prime is 401655469. The reversal of 401655448 is 844556104.

It is a super-2 number, since 2×401655448² = 322654197816161408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3061 + ... + 28507.

It is an arithmetic number, because the mean of its divisors is an integer number (47094705).

Almost surely, 2^401655448 is an apocalyptic number.

It is an amenable number.

401655448 is a deficient number, since it is larger than the sum of its proper divisors (351859832).

401655448 is a wasteful number, since it uses less digits than its factorization.

401655448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27426 (or 27422 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

The square root of 401655448 is about 20041.3434679415. The cubic root of 401655448 is about 737.8213544674.

The spelling of 401655448 in words is "four hundred one million, six hundred fifty-five thousand, four hundred forty-eight".