1400444041 has 4 divisors (see below), whose sum is σ = 1407553092. Its totient is φ = 1393334992.

The previous prime is 1400444029. The next prime is 1400444047. The reversal of 1400444041 is 1404440041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1114157641 + 286286400 = 33379^2 + 16920^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400444041 - 2⁵ = 1400444009 is a prime.

It is a super-2 number, since 2×1400444041² = 3922487023944819362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400444047) 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, 3554230 + ... + 3554623.

It is an arithmetic number, because the mean of its divisors is an integer number (351888273).

Almost surely, 2^1400444041 is an apocalyptic number.

It is an amenable number.

1400444041 is a deficient number, since it is larger than the sum of its proper divisors (7109051).

1400444041 is an equidigital number, since it uses as much as digits as its factorization.

1400444041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7109050.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1400444041 is about 37422.5071447652. The cubic root of 1400444041 is about 1118.8072019024.

Adding to 1400444041 its reverse (1404440041), we get a palindrome (2804884082).

The spelling of 1400444041 in words is "one billion, four hundred million, four hundred forty-four thousand, forty-one".