401465406 has 8 divisors (see below), whose sum is σ = 802930824. Its totient is φ = 133821800.

The previous prime is 401465401. The next prime is 401465419. The reversal of 401465406 is 604564104.

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

401465406 is an admirable number.

It is a super-2 number, since 2×401465406² = 322348944429489672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401465401) 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, 33455445 + ... + 33455456.

It is an arithmetic number, because the mean of its divisors is an integer number (100366353).

Almost surely, 2^401465406 is an apocalyptic number.

401465406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401465406 is a wasteful number, since it uses less digits than its factorization.

401465406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66910906.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 401465406 is about 20036.6016579659. The cubic root of 401465406 is about 737.7049701661.

The spelling of 401465406 in words is "four hundred one million, four hundred sixty-five thousand, four hundred six".