401791148 has 36 divisors (see below), whose sum is σ = 778889496. Its totient is φ = 181209600.

The previous prime is 401791139. The next prime is 401791171. The reversal of 401791148 is 841197104.

It is a super-2 number, since 2×401791148² = 322872253222315808, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 60236 + ... + 66572.

Almost surely, 2^401791148 is an apocalyptic number.

It is an amenable number.

401791148 is a deficient number, since it is larger than the sum of its proper divisors (377098348).

401791148 is a wasteful number, since it uses less digits than its factorization.

401791148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6494 (or 6481 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 401791148 is about 20044.7286836215. The cubic root of 401791148 is about 737.9044365260.

The spelling of 401791148 in words is "four hundred one million, seven hundred ninety-one thousand, one hundred forty-eight".