403002228412 has 96 divisors (see below), whose sum is σ = 858038832000. Its totient is φ = 161677221888.

The previous prime is 403002228379. The next prime is 403002228413. The reversal of 403002228412 is 214822200304.

It is a super-2 number, since 2×403002228412² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403002228413) 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, 86683464 + ... + 86688112.

It is an arithmetic number, because the mean of its divisors is an integer number (8937904500).

Almost surely, 2^403002228412 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 403002228412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429019416000).

403002228412 is an abundant number, since it is smaller than the sum of its proper divisors (455036603588).

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

403002228412 is a wasteful number, since it uses less digits than its factorization.

403002228412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5623 (or 5621 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 403002228412 its reverse (214822200304), we get a palindrome (617824428716).

The spelling of 403002228412 in words is "four hundred three billion, two million, two hundred twenty-eight thousand, four hundred twelve".