401223330998 has 16 divisors (see below), whose sum is σ = 687823418880. Its totient is φ = 171949857576.

The previous prime is 401223330997. The next prime is 401223331009. The reversal of 401223330998 is 899033322104.

It is a super-2 number, since 2×401223330998² (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 (401223330997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 708323 + ... + 1142001.

It is an arithmetic number, because the mean of its divisors is an integer number (42988963680).

Almost surely, 2^401223330998 is an apocalyptic number.

401223330998 is a deficient number, since it is larger than the sum of its proper divisors (286600087882).

401223330998 is a wasteful number, since it uses less digits than its factorization.

401223330998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499771.

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 401223330998 in words is "four hundred one billion, two hundred twenty-three million, three hundred thirty thousand, nine hundred ninety-eight".