401263868 has 6 divisors (see below), whose sum is σ = 702211776. Its totient is φ = 200631932.

The previous prime is 401263847. The next prime is 401263879. The reversal of 401263868 is 868362104.

It is a happy number.

It is a super-2 number, since 2×401263868² = 322025383524642848, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 50157980 + ... + 50157987.

It is an arithmetic number, because the mean of its divisors is an integer number (117035296).

Almost surely, 2^401263868 is an apocalyptic number.

It is an amenable number.

401263868 is a deficient number, since it is larger than the sum of its proper divisors (300947908).

401263868 is a wasteful number, since it uses less digits than its factorization.

401263868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100315971 (or 100315969 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 401263868 is about 20031.5717805668. The cubic root of 401263868 is about 737.5815054227.

The spelling of 401263868 in words is "four hundred one million, two hundred sixty-three thousand, eight hundred sixty-eight".