401356046 has 32 divisors (see below), whose sum is σ = 744145920. Its totient is φ = 158096736.

The previous prime is 401356013. The next prime is 401356051. The reversal of 401356046 is 640653104.

It is a happy number.

It is a super-3 number, since 3×401356046³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38885 + ... + 48111.

It is an arithmetic number, because the mean of its divisors is an integer number (23254560).

Almost surely, 2^401356046 is an apocalyptic number.

401356046 is a deficient number, since it is larger than the sum of its proper divisors (342789874).

401356046 is a wasteful number, since it uses less digits than its factorization.

401356046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9488.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 401356046 is about 20033.8724664005. The cubic root of 401356046 is about 737.6379799673.

The spelling of 401356046 in words is "four hundred one million, three hundred fifty-six thousand, forty-six".