1409140914444 has 18 divisors (see below), whose sum is σ = 3561995089380. Its totient is φ = 469713638136.

The previous prime is 1409140914439. The next prime is 1409140914541. The reversal of 1409140914444 is 4444190419041.

1409140914444 is a `hidden beast` number, since 14 + 0 + 91 + 409 + 144 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 1409140914444.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19571401554 + ... + 19571401625.

Almost surely, 2^{1409140914444} is an apocalyptic number.

It is an amenable number.

1409140914444 is an abundant number, since it is smaller than the sum of its proper divisors (2152854174936).

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

1409140914444 is a wasteful number, since it uses less digits than its factorization.

1409140914444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39142803189 (or 39142803184 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 1409140914444 in words is "one trillion, four hundred nine billion, one hundred forty million, nine hundred fourteen thousand, four hundred forty-four".