401443378 has 24 divisors (see below), whose sum is σ = 701480304. Its totient is φ = 171801000.

The previous prime is 401443373. The next prime is 401443417. The reversal of 401443378 is 873344104.

It is a super-2 number, since 2×401443378² = 322313571480101768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401443373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76953 + ... + 82003.

It is an arithmetic number, because the mean of its divisors is an integer number (29228346).

Almost surely, 2^401443378 is an apocalyptic number.

401443378 is a deficient number, since it is larger than the sum of its proper divisors (300036926).

401443378 is a wasteful number, since it uses less digits than its factorization.

401443378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5878 (or 5871 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 401443378 is about 20036.0519564110. The cubic root of 401443378 is about 737.6914775446.

The spelling of 401443378 in words is "four hundred one million, four hundred forty-three thousand, three hundred seventy-eight".