1400324441 has 4 divisors (see below), whose sum is σ = 1405308084. Its totient is φ = 1395340800.

The previous prime is 1400324413. The next prime is 1400324447. The reversal of 1400324441 is 1444230041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1444230041 = 163 ⋅8860307.

It can be written as a sum of positive squares in 2 ways, for example, as 703575625 + 696748816 = 26525^2 + 26396^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400324441 - 2¹⁰ = 1400323417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1400324447) 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, 2491400 + ... + 2491961.

It is an arithmetic number, because the mean of its divisors is an integer number (351327021).

Almost surely, 2^1400324441 is an apocalyptic number.

It is an amenable number.

1400324441 is a deficient number, since it is larger than the sum of its proper divisors (4983643).

1400324441 is an equidigital number, since it uses as much as digits as its factorization.

1400324441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4983642.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1400324441 is about 37420.9091418154. The cubic root of 1400324441 is about 1118.7753517304.

Adding to 1400324441 its reverse (1444230041), we get a palindrome (2844554482).

The spelling of 1400324441 in words is "one billion, four hundred million, three hundred twenty-four thousand, four hundred forty-one".