402211214340 has 96 divisors (see below), whose sum is σ = 1213097813760. Its totient is φ = 98983282176.

The previous prime is 402211214311. The next prime is 402211214341. The reversal of 402211214340 is 43412112204.

It is a self number, because there is not a number n which added to its sum of digits gives 402211214340.

It is not an unprimeable number, because it can be changed into a prime (402211214341) 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, 3505806 + ... + 3618714.

It is an arithmetic number, because the mean of its divisors is an integer number (12636435560).

Almost surely, 2^402211214340 is an apocalyptic number.

It is an amenable number.

402211214340 is an abundant number, since it is smaller than the sum of its proper divisors (810886599420).

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

402211214340 is a wasteful number, since it uses less digits than its factorization.

402211214340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117501 (or 117499 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 402211214340 its reverse (43412112204), we get a palindrome (445623326544).

The spelling of 402211214340 in words is "four hundred two billion, two hundred eleven million, two hundred fourteen thousand, three hundred forty".