6925203840 has 128 divisors (see below), whose sum is σ = 22202748000. Its totient is φ = 1835958272.

The previous prime is 6925203839. The next prime is 6925203841. The reversal of 6925203840 is 483025296.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6925203839) and next prime (6925203841).

It is a tau number, because it is divible by the number of its divisors (128).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6925203841) 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, 321736 + ... + 342584.

Almost surely, 2^6925203840 is an apocalyptic number.

6925203840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6925203840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11101374000).

6925203840 is an abundant number, since it is smaller than the sum of its proper divisors (15277544160).

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

6925203840 is a wasteful number, since it uses less digits than its factorization.

6925203840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21044 (or 21032 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 6925203840 is about 83217.8096323137. The cubic root of 6925203840 is about 1906.0934416044.

The spelling of 6925203840 in words is "six billion, nine hundred twenty-five million, two hundred three thousand, eight hundred forty".