544431004154542 has 4 divisors (see below), whose sum is σ = 816646506231816. Its totient is φ = 272215502077270.

The previous prime is 544431004154489. The next prime is 544431004154581. The reversal of 544431004154542 is 245451400134445.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 544431004154492 and 544431004154501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136107751038634 + ... + 136107751038637.

It is an arithmetic number, because the mean of its divisors is an integer number (204161626557954).

Almost surely, 2^{544431004154542} is an apocalyptic number.

544431004154542 is a deficient number, since it is larger than the sum of its proper divisors (272215502077274).

544431004154542 is a wasteful number, since it uses less digits than its factorization.

544431004154542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272215502077273.

The product of its (nonzero) digits is 3072000, while the sum is 46.

Adding to 544431004154542 its reverse (245451400134445), we get a palindrome (789882404288987).

The spelling of 544431004154542 in words is "five hundred forty-four trillion, four hundred thirty-one billion, four million, one hundred fifty-four thousand, five hundred forty-two".