544400052401 has 4 divisors (see below), whose sum is σ = 544460156400. Its totient is φ = 544339948404.

The previous prime is 544400052397. The next prime is 544400052461. The reversal of 544400052401 is 104250004445.

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: 104250004445 = 5 ⋅20850000889.

It is a cyclic number.

It is not a de Polignac number, because 544400052401 - 2² = 544400052397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (544400052461) 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, 30038411 + ... + 30056528.

It is an arithmetic number, because the mean of its divisors is an integer number (136115039100).

Almost surely, 2^544400052401 is an apocalyptic number.

It is an amenable number.

544400052401 is a deficient number, since it is larger than the sum of its proper divisors (60103999).

544400052401 is an equidigital number, since it uses as much as digits as its factorization.

544400052401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60103998.

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 544400052401 its reverse (104250004445), we get a palindrome (648650056846).

The spelling of 544400052401 in words is "five hundred forty-four billion, four hundred million, fifty-two thousand, four hundred one".