1400001044442 has 128 divisors (see below), whose sum is σ = 3861050554368. Its totient is φ = 326592518400.

The previous prime is 1400001044423. The next prime is 1400001044521. The reversal of 1400001044442 is 2444401000041.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2927784 + ... + 3372227.

It is an arithmetic number, because the mean of its divisors is an integer number (30164457456).

Almost surely, 2^{1400001044442} is an apocalyptic number.

1400001044442 is an abundant number, since it is smaller than the sum of its proper divisors (2461049509926).

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

1400001044442 is a wasteful number, since it uses less digits than its factorization.

1400001044442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6300084.

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

Adding to 1400001044442 its reverse (2444401000041), we get a palindrome (3844402044483).

The spelling of 1400001044442 in words is "one trillion, four hundred billion, one million, forty-four thousand, four hundred forty-two".