140002444002 has 16 divisors (see below), whose sum is σ = 280011574080. Its totient is φ = 46666366992.

The previous prime is 140002443857. The next prime is 140002444019. The reversal of 140002444002 is 200444200041.

It is a self number, because there is not a number n which added to its sum of digits gives 140002444002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17899 + ... + 529457.

It is an arithmetic number, because the mean of its divisors is an integer number (17500723380).

Almost surely, 2^140002444002 is an apocalyptic number.

140002444002 is an abundant number, since it is smaller than the sum of its proper divisors (140009130078).

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

140002444002 is a wasteful number, since it uses less digits than its factorization.

140002444002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557177.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 140002444002 its reverse (200444200041), we get a palindrome (340446644043).

The spelling of 140002444002 in words is "one hundred forty billion, two million, four hundred forty-four thousand, two".