1244542051004 has 24 divisors (see below), whose sum is σ = 2489351036928. Its totient is φ = 533317964400.

The previous prime is 1244542051003. The next prime is 1244542051007. The reversal of 1244542051004 is 4001502454421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244542051001) 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 7 ways as a sum of consecutive naturals, for example, 2117072 + ... + 2640279.

It is an arithmetic number, because the mean of its divisors is an integer number (103722959872).

Almost surely, 2^{1244542051004} is an apocalyptic number.

1244542051004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1244542051004 is an abundant number, since it is smaller than the sum of its proper divisors (1244808985924).

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

1244542051004 is a wasteful number, since it uses less digits than its factorization.

1244542051004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4766705 (or 4766703 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

The spelling of 1244542051004 in words is "one trillion, two hundred forty-four billion, five hundred forty-two million, fifty-one thousand, four".