4444040142 has 48 divisors (see below), whose sum is σ = 10387550160. Its totient is φ = 1367897856.

The previous prime is 4444040101. The next prime is 4444040171. The reversal of 4444040142 is 2410404444.

4444040142 is a `hidden beast` number, since 44 + 440 + 40 + 142 = 666.

It is a congruent number.

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, 120792 + ... + 153227.

It is an arithmetic number, because the mean of its divisors is an integer number (216407295).

Almost surely, 2^4444040142 is an apocalyptic number.

4444040142 is an abundant number, since it is smaller than the sum of its proper divisors (5943510018).

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

4444040142 is a wasteful number, since it uses less digits than its factorization.

4444040142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274097 (or 274094 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

The square root of 4444040142 is about 66663.6343293703. The cubic root of 4444040142 is about 1644.0915265967.

Adding to 4444040142 its reverse (2410404444), we get a palindrome (6854444586).

The spelling of 4444040142 in words is "four billion, four hundred forty-four million, forty thousand, one hundred forty-two".