544901781231416 has 32 divisors (see below), whose sum is σ = 1170024773258880. Its totient is φ = 233053714975200.

The previous prime is 544901781231371. The next prime is 544901781231523. The reversal of 544901781231416 is 614132187109445.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9908718890 + ... + 9908773881.

It is an arithmetic number, because the mean of its divisors is an integer number (36563274164340).

It is a 1-persistent number, because it is pandigital, but 2⋅544901781231416 = 1089803562462832 is not.

Almost surely, 2^{544901781231416} is an apocalyptic number.

544901781231416 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

544901781231416 is an abundant number, since it is smaller than the sum of its proper divisors (625122992027464).

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

544901781231416 is a wasteful number, since it uses less digits than its factorization.

544901781231416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19817493275 (or 19817493271 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 544901781231416 in words is "five hundred forty-four trillion, nine hundred one billion, seven hundred eighty-one million, two hundred thirty-one thousand, four hundred sixteen".