444140242434 has 48 divisors (see below), whose sum is σ = 1104495979392. Its totient is φ = 126352580544.

The previous prime is 444140242393. The next prime is 444140242451. The reversal of 444140242434 is 434242041444.

It is a happy number.

444140242434 is a `hidden beast` number, since 4 + 4 + 4 + 1 + 402 + 4 + 243 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7534854 + ... + 7593569.

It is an arithmetic number, because the mean of its divisors is an integer number (23010332904).

Almost surely, 2^444140242434 is an apocalyptic number.

444140242434 is an abundant number, since it is smaller than the sum of its proper divisors (660355736958).

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

444140242434 is a wasteful number, since it uses less digits than its factorization.

444140242434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15128671 (or 15128668 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 444140242434 its reverse (434242041444), we get a palindrome (878382283878).

The spelling of 444140242434 in words is "four hundred forty-four billion, one hundred forty million, two hundred forty-two thousand, four hundred thirty-four".