401870465 has 16 divisors (see below), whose sum is σ = 491462400. Its totient is φ = 315410112.

The previous prime is 401870461. The next prime is 401870473. The reversal of 401870465 is 564078104.

It is a cyclic number.

It is not a de Polignac number, because 401870465 - 2² = 401870461 is a prime.

It is a super-3 number, since 3×401870465³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (401870461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52556 + ... + 59714.

It is an arithmetic number, because the mean of its divisors is an integer number (30716400).

Almost surely, 2^401870465 is an apocalyptic number.

It is an amenable number.

401870465 is a deficient number, since it is larger than the sum of its proper divisors (89591935).

401870465 is a wasteful number, since it uses less digits than its factorization.

401870465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7376.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 401870465 is about 20046.7070862025. The cubic root of 401870465 is about 737.9529895413.

The spelling of 401870465 in words is "four hundred one million, eight hundred seventy thousand, four hundred sixty-five".