401550323145454 has 16 divisors (see below), whose sum is σ = 689208400516608. Its totient is φ = 171883891138392.

The previous prime is 401550323145397. The next prime is 401550323145509. The reversal of 401550323145454 is 454541323055104.

It is a happy number.

It is a super-2 number, since 2×401550323145454² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17425362682 + ... + 17425385725.

It is an arithmetic number, because the mean of its divisors is an integer number (43075525032288).

Almost surely, 2^{401550323145454} is an apocalyptic number.

401550323145454 is a deficient number, since it is larger than the sum of its proper divisors (287658077371154).

401550323145454 is a wasteful number, since it uses less digits than its factorization.

401550323145454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34850749239.

The product of its (nonzero) digits is 2880000, while the sum is 46.

The spelling of 401550323145454 in words is "four hundred one trillion, five hundred fifty billion, three hundred twenty-three million, one hundred forty-five thousand, four hundred fifty-four".