1408838917944 has 64 divisors (see below), whose sum is σ = 3617775453600. Its totient is φ = 456859298304.

The previous prime is 1408838917939. The next prime is 1408838917951. The reversal of 1408838917944 is 4497198388041.

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6749902 + ... + 6955490.

Almost surely, 2^{1408838917944} is an apocalyptic number.

It is an amenable number.

1408838917944 is an abundant number, since it is smaller than the sum of its proper divisors (2208936535656).

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

1408838917944 is a wasteful number, since it uses less digits than its factorization.

1408838917944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213352 (or 213348 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 66.

The spelling of 1408838917944 in words is "one trillion, four hundred eight billion, eight hundred thirty-eight million, nine hundred seventeen thousand, nine hundred forty-four".