402213342040 has 32 divisors (see below), whose sum is σ = 915883400880. Its totient is φ = 158946957952.

The previous prime is 402213342031. The next prime is 402213342121. The reversal of 402213342040 is 40243312204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 402213341996 and 402213342014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60570979 + ... + 60577618.

Almost surely, 2^402213342040 is an apocalyptic number.

402213342040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402213342040 is an abundant number, since it is smaller than the sum of its proper divisors (513670058840).

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

402213342040 is a wasteful number, since it uses less digits than its factorization.

402213342040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121148691 (or 121148687 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 402213342040 its reverse (40243312204), we get a palindrome (442456654244).

The spelling of 402213342040 in words is "four hundred two billion, two hundred thirteen million, three hundred forty-two thousand, forty".