1018914449044 has 24 divisors (see below), whose sum is σ = 1789027164288. Its totient is φ = 507764906880.

The previous prime is 1018914449027. The next prime is 1018914449053. The reversal of 1018914449044 is 4409444198101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3699429 + ... + 3965299.

It is an arithmetic number, because the mean of its divisors is an integer number (74542798512).

Almost surely, 2^{1018914449044} is an apocalyptic number.

It is an amenable number.

1018914449044 is a deficient number, since it is larger than the sum of its proper divisors (770112715244).

1018914449044 is a wasteful number, since it uses less digits than its factorization.

1018914449044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269055 (or 269053 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 49.

The spelling of 1018914449044 in words is "one trillion, eighteen billion, nine hundred fourteen million, four hundred forty-nine thousand, forty-four".