401335659 has 24 divisors (see below), whose sum is σ = 587073552. Its totient is φ = 264176640.

The previous prime is 401335619. The next prime is 401335681. The reversal of 401335659 is 956533104.

It is not a de Polignac number, because 401335659 - 2¹³ = 401327467 is a prime.

It is a super-2 number, since 2×401335659² = 322140622369928562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (401335619) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 342144 + ... + 343314.

It is an arithmetic number, because the mean of its divisors is an integer number (24461398).

Almost surely, 2^401335659 is an apocalyptic number.

401335659 is a deficient number, since it is larger than the sum of its proper divisors (185737893).

401335659 is a wasteful number, since it uses less digits than its factorization.

401335659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627 (or 1624 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 401335659 is about 20033.3636466770. The cubic root of 401335659 is about 737.6254902421.

The spelling of 401335659 in words is "four hundred one million, three hundred thirty-five thousand, six hundred fifty-nine".