402214004412 has 96 divisors (see below), whose sum is σ = 1063873198080. Its totient is φ = 117152206080.

The previous prime is 402214004371. The next prime is 402214004419. The reversal of 402214004412 is 214400412204.

It is a super-2 number, since 2×402214004412² (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 (402214004419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 618058 + ... + 1089230.

It is an arithmetic number, because the mean of its divisors is an integer number (11082012480).

Almost surely, 2^402214004412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402214004412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (531936599040).

402214004412 is an abundant number, since it is smaller than the sum of its proper divisors (661659193668).

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

402214004412 is a wasteful number, since it uses less digits than its factorization.

402214004412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471443 (or 471441 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 402214004412 its reverse (214400412204), we get a palindrome (616614416616).

The spelling of 402214004412 in words is "four hundred two billion, two hundred fourteen million, four thousand, four hundred twelve".