440133233442 has 32 divisors (see below), whose sum is σ = 1006038582912. Its totient is φ = 125749881984.

The previous prime is 440133233429. The next prime is 440133233447. The reversal of 440133233442 is 244332331044.

It is a happy number.

It is a super-2 number, since 2×440133233442² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (440133233447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3813568 + ... + 3927284.

It is an arithmetic number, because the mean of its divisors is an integer number (31438705716).

Almost surely, 2^440133233442 is an apocalyptic number.

440133233442 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

440133233442 is an abundant number, since it is smaller than the sum of its proper divisors (565905349470).

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

440133233442 is a wasteful number, since it uses less digits than its factorization.

440133233442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205882.

The product of its (nonzero) digits is 82944, while the sum is 33.

Adding to 440133233442 its reverse (244332331044), we get a palindrome (684465564486).

The spelling of 440133233442 in words is "four hundred forty billion, one hundred thirty-three million, two hundred thirty-three thousand, four hundred forty-two".