544400540431 has 16 divisors (see below), whose sum is σ = 596525829120. Its totient is φ = 492715349280.

The previous prime is 544400540429. The next prime is 544400540443. The reversal of 544400540431 is 134045004445.

It is not a de Polignac number, because 544400540431 - 2¹ = 544400540429 is a prime.

It is a super-2 number, since 2×544400540431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544400541431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11430790 + ... + 11478316.

It is an arithmetic number, because the mean of its divisors is an integer number (37282864320).

Almost surely, 2^544400540431 is an apocalyptic number.

544400540431 is a deficient number, since it is larger than the sum of its proper divisors (52125288689).

544400540431 is a wasteful number, since it uses less digits than its factorization.

544400540431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52134.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 544400540431 its reverse (134045004445), we get a palindrome (678445544876).

The spelling of 544400540431 in words is "five hundred forty-four billion, four hundred million, five hundred forty thousand, four hundred thirty-one".