401426855 has 8 divisors (see below), whose sum is σ = 489877200. Its totient is φ = 315698176.

The previous prime is 401426833. The next prime is 401426873. The reversal of 401426855 is 558624104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401426855 - 2⁶ = 401426791 is a prime.

It is a super-2 number, since 2×401426855² = 322287039830382050, 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 7 ways as a sum of consecutive naturals, for example, 680090 + ... + 680679.

It is an arithmetic number, because the mean of its divisors is an integer number (61234650).

Almost surely, 2^401426855 is an apocalyptic number.

401426855 is a deficient number, since it is larger than the sum of its proper divisors (88450345).

401426855 is a wasteful number, since it uses less digits than its factorization.

401426855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360833.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 401426855 is about 20035.6396204364. The cubic root of 401426855 is about 737.6813565294.

The spelling of 401426855 in words is "four hundred one million, four hundred twenty-six thousand, eight hundred fifty-five".