444242202242442 has 64 divisors (see below), whose sum is σ = 892987130880000. Its totient is φ = 147331416864128.

The previous prime is 444242202242431. The next prime is 444242202242543. The reversal of 444242202242442 is 244242202242444.

It is a super-2 number, since 2×444242202242442² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 444242202242394 and 444242202242403.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10393310923 + ... + 10393353665.

It is an arithmetic number, because the mean of its divisors is an integer number (13952923920000).

Almost surely, 2^{444242202242442} is an apocalyptic number.

444242202242442 is an abundant number, since it is smaller than the sum of its proper divisors (448744928637558).

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

444242202242442 is a wasteful number, since it uses less digits than its factorization.

444242202242442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49195.

The product of its (nonzero) digits is 2097152, while the sum is 42.

Adding to 444242202242442 its reverse (244242202242444), we get a palindrome (688484404484886).

The spelling of 444242202242442 in words is "four hundred forty-four trillion, two hundred forty-two billion, two hundred two million, two hundred forty-two thousand, four hundred forty-two".