1368904944 has 120 divisors (see below), whose sum is σ = 4012965376. Its totient is φ = 401385600.

The previous prime is 1368904903. The next prime is 1368904963. The reversal of 1368904944 is 4494098631.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1368904893 and 1368904902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176247 + ... + 183849.

Almost surely, 2^1368904944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1368904944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2006482688).

1368904944 is an abundant number, since it is smaller than the sum of its proper divisors (2644060432).

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

1368904944 is a wasteful number, since it uses less digits than its factorization.

1368904944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7667 (or 7650 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 1368904944 is about 36998.7154371608. The cubic root of 1368904944 is about 1110.3445468837.

The spelling of 1368904944 in words is "one billion, three hundred sixty-eight million, nine hundred four thousand, nine hundred forty-four".