6862153840 has 20 divisors (see below), whose sum is σ = 15954507864. Its totient is φ = 2744861504.

The previous prime is 6862153801. The next prime is 6862153847. The reversal of 6862153840 is 483512686.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6862153847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42888382 + ... + 42888541.

Almost surely, 2^6862153840 is an apocalyptic number.

It is an amenable number.

6862153840 is an abundant number, since it is smaller than the sum of its proper divisors (9092354024).

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

6862153840 is a wasteful number, since it uses less digits than its factorization.

6862153840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85776936 (or 85776930 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 6862153840 is about 82838.1182789662. The cubic root of 6862153840 is about 1900.2911686735.

The spelling of 6862153840 in words is "six billion, eight hundred sixty-two million, one hundred fifty-three thousand, eight hundred forty".