402424033212 has 18 divisors (see below), whose sum is σ = 1017238528488. Its totient is φ = 134141344392.

The previous prime is 402424033127. The next prime is 402424033217. The reversal of 402424033212 is 212330424204.

402424033212 is a `hidden beast` number, since 4 + 0 + 2 + 42 + 403 + 3 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×402424033212² (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 (402424033217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5589222648 + ... + 5589222719.

Almost surely, 2^402424033212 is an apocalyptic number.

It is an amenable number.

402424033212 is an abundant number, since it is smaller than the sum of its proper divisors (614814495276).

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

402424033212 is a wasteful number, since it uses less digits than its factorization.

402424033212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11178445377 (or 11178445372 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 402424033212 its reverse (212330424204), we get a palindrome (614754457416).

The spelling of 402424033212 in words is "four hundred two billion, four hundred twenty-four million, thirty-three thousand, two hundred twelve".