401312221043334 has 32 divisors (see below), whose sum is σ = 844871214687360. Its totient is φ = 126729667929600.

The previous prime is 401312221043309. The next prime is 401312221043339. The reversal of 401312221043334 is 433340122213104.

It is a super-2 number, since 2×401312221043334² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401312221043295 and 401312221043304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401312221043339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22095654 + ... + 35928294.

It is an arithmetic number, because the mean of its divisors is an integer number (26402225458980).

Almost surely, 2^{401312221043334} is an apocalyptic number.

401312221043334 is an abundant number, since it is smaller than the sum of its proper divisors (443558993644026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401312221043334 is a wasteful number, since it uses less digits than its factorization.

401312221043334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14087156.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 401312221043334 its reverse (433340122213104), we get a palindrome (834652343256438).

The spelling of 401312221043334 in words is "four hundred one trillion, three hundred twelve billion, two hundred twenty-one million, forty-three thousand, three hundred thirty-four".