140444001402 has 8 divisors (see below), whose sum is σ = 280888002816. Its totient is φ = 46814667132.

The previous prime is 140444001359. The next prime is 140444001403. The reversal of 140444001402 is 204100444041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

140444001402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (140444001403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11703666778 + ... + 11703666789.

It is an arithmetic number, because the mean of its divisors is an integer number (35111000352).

Almost surely, 2^140444001402 is an apocalyptic number.

140444001402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

140444001402 is a wasteful number, since it uses less digits than its factorization.

140444001402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23407333572.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 140444001402 its reverse (204100444041), we get a palindrome (344544445443).

The spelling of 140444001402 in words is "one hundred forty billion, four hundred forty-four million, one thousand, four hundred two".