6944021400 has 48 divisors (see below), whose sum is σ = 21526468200. Its totient is φ = 1851738880.

The previous prime is 6944021389. The next prime is 6944021423. The reversal of 6944021400 is 41204496.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5786085 + ... + 5787284.

Almost surely, 2^6944021400 is an apocalyptic number.

6944021400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6944021400 is an abundant number, since it is smaller than the sum of its proper divisors (14582446800).

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

6944021400 is a wasteful number, since it uses less digits than its factorization.

6944021400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11573388 (or 11573379 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 6944021400 is about 83330.7950280087. The cubic root of 6944021400 is about 1907.8183289354.

Adding to 6944021400 its reverse (41204496), we get a palindrome (6985225896).

The spelling of 6944021400 in words is "six billion, nine hundred forty-four million, twenty-one thousand, four hundred".