1012404043544 has 32 divisors (see below), whose sum is σ = 2010758256000. Its totient is φ = 476226685440.

The previous prime is 1012404043523. The next prime is 1012404043549. The reversal of 1012404043544 is 4453404042101.

It is a self number, because there is not a number n which added to its sum of digits gives 1012404043544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012404043549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1225247 + ... + 1877774.

It is an arithmetic number, because the mean of its divisors is an integer number (62836195500).

Almost surely, 2^{1012404043544} is an apocalyptic number.

It is an amenable number.

1012404043544 is a deficient number, since it is larger than the sum of its proper divisors (998354212456).

1012404043544 is a wasteful number, since it uses less digits than its factorization.

1012404043544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105443 (or 3105439 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 1012404043544 its reverse (4453404042101), we get a palindrome (5465808085645).

The spelling of 1012404043544 in words is "one trillion, twelve billion, four hundred four million, forty-three thousand, five hundred forty-four".