54000402444 has 72 divisors (see below), whose sum is σ = 136861714080. Its totient is φ = 17952652800.

The previous prime is 54000402427. The next prime is 54000402509. The reversal of 54000402444 is 44420400045.

It is a happy number.

It is a super-2 number, since 2×54000402444² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39676324 + ... + 39677684.

It is an arithmetic number, because the mean of its divisors is an integer number (1900857140).

Almost surely, 2^54000402444 is an apocalyptic number.

It is an amenable number.

54000402444 is an abundant number, since it is smaller than the sum of its proper divisors (82861311636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54000402444 is a wasteful number, since it uses less digits than its factorization.

54000402444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3471 (or 3466 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

Adding to 54000402444 its reverse (44420400045), we get a palindrome (98420802489).

The spelling of 54000402444 in words is "fifty-four billion, four hundred two thousand, four hundred forty-four".