5401440001 has 4 divisors (see below), whose sum is σ = 5402214400. Its totient is φ = 5400665604.

The previous prime is 5401439987. The next prime is 5401440043. The reversal of 5401440001 is 1000441045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1000441045 = 5 ⋅200088209.

It is a cyclic number.

It is not a de Polignac number, because 5401440001 - 2⁹ = 5401439489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5401440701) 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, 376641 + ... + 390718.

It is an arithmetic number, because the mean of its divisors is an integer number (1350553600).

Almost surely, 2^5401440001 is an apocalyptic number.

It is an amenable number.

5401440001 is a deficient number, since it is larger than the sum of its proper divisors (774399).

5401440001 is an equidigital number, since it uses as much as digits as its factorization.

5401440001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774398.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 5401440001 is about 73494.4895961595. The cubic root of 5401440001 is about 1754.5665767887.

Adding to 5401440001 its reverse (1000441045), we get a palindrome (6401881046).

The spelling of 5401440001 in words is "five billion, four hundred one million, four hundred forty thousand, one".