402211244442 has 64 divisors (see below), whose sum is σ = 921616128000. Its totient is φ = 114633209664.

The previous prime is 402211244441. The next prime is 402211244443. The reversal of 402211244442 is 244442112204.

It is an interprime number because it is at equal distance from previous prime (402211244441) and next prime (402211244443).

It is not an unprimeable number, because it can be changed into a prime (402211244441) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 71526843 + ... + 71532465.

It is an arithmetic number, because the mean of its divisors is an integer number (14400252000).

Almost surely, 2^402211244442 is an apocalyptic number.

402211244442 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

402211244442 is an abundant number, since it is smaller than the sum of its proper divisors (519404883558).

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

402211244442 is a wasteful number, since it uses less digits than its factorization.

402211244442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9547.

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 402211244442 its reverse (244442112204), we get a palindrome (646653356646).

The spelling of 402211244442 in words is "four hundred two billion, two hundred eleven million, two hundred forty-four thousand, four hundred forty-two".