401675579829 has 32 divisors (see below), whose sum is σ = 626581248000. Its totient is φ = 253614274992.

The previous prime is 401675579821. The next prime is 401675579857. The reversal of 401675579829 is 928975576104.

401675579829 is a `hidden beast` number, since 40 + 16 + 7 + 5 + 579 + 8 + 2 + 9 = 666.

It is not a de Polignac number, because 401675579829 - 2³ = 401675579821 is a prime.

It is a super-2 number, since 2×401675579829² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401675579821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1632882 + ... + 1862700.

It is an arithmetic number, because the mean of its divisors is an integer number (19580664000).

Almost surely, 2^401675579829 is an apocalyptic number.

It is an amenable number.

401675579829 is a deficient number, since it is larger than the sum of its proper divisors (224905668171).

401675579829 is a wasteful number, since it uses less digits than its factorization.

401675579829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233254 (or 233248 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 63.

The spelling of 401675579829 in words is "four hundred one billion, six hundred seventy-five million, five hundred seventy-nine thousand, eight hundred twenty-nine".