401328973485 has 80 divisors (see below), whose sum is σ = 786220015680. Its totient is φ = 194236911360.

The previous prime is 401328973457. The next prime is 401328973511. The reversal of 401328973485 is 584379823104.

It is a happy number.

401328973485 is a `hidden beast` number, since 4 + 0 + 13 + 2 + 89 + 73 + 485 = 666.

It is not a de Polignac number, because 401328973485 - 2⁸ = 401328973229 is a prime.

It is a super-2 number, since 2×401328973485² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2428161 + ... + 2588169.

It is an arithmetic number, because the mean of its divisors is an integer number (9827750196).

Almost surely, 2^401328973485 is an apocalyptic number.

401328973485 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

401328973485 is a deficient number, since it is larger than the sum of its proper divisors (384891042195).

401328973485 is a wasteful number, since it uses less digits than its factorization.

401328973485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160600 (or 160591 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 401328973485 in words is "four hundred one billion, three hundred twenty-eight million, nine hundred seventy-three thousand, four hundred eighty-five".