6744389800478 has 32 divisors (see below), whose sum is σ = 11158923709440. Its totient is φ = 3031645232160.

The previous prime is 6744389800471. The next prime is 6744389800493. The reversal of 6744389800478 is 8740089834476.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6744389800471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440525 + ... + 3699032.

It is an arithmetic number, because the mean of its divisors is an integer number (348716365920).

Almost surely, 2^{6744389800478} is an apocalyptic number.

6744389800478 is a deficient number, since it is larger than the sum of its proper divisors (4414533908962).

6744389800478 is a wasteful number, since it uses less digits than its factorization.

6744389800478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140392.

The product of its (nonzero) digits is 260112384, while the sum is 68.

The spelling of 6744389800478 in words is "six trillion, seven hundred forty-four billion, three hundred eighty-nine million, eight hundred thousand, four hundred seventy-eight".