401685464 has 16 divisors (see below), whose sum is σ = 757783320. Its totient is φ = 199609920.

The previous prime is 401685461. The next prime is 401685481. The reversal of 401685464 is 464586104.

It is a super-2 number, since 2×401685464² = 322702423977790592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401685461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152717 + ... + 155324.

Almost surely, 2^401685464 is an apocalyptic number.

It is an amenable number.

401685464 is a deficient number, since it is larger than the sum of its proper divisors (356097856).

401685464 is a wasteful number, since it uses less digits than its factorization.

401685464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308210 (or 308206 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 401685464 is about 20042.0923059445. The cubic root of 401685464 is about 737.8397333161.

The spelling of 401685464 in words is "four hundred one million, six hundred eighty-five thousand, four hundred sixty-four".