6940144848 has 80 divisors (see below), whose sum is σ = 22066115456. Its totient is φ = 1830366720.

The previous prime is 6940144829. The next prime is 6940144873. The reversal of 6940144848 is 8484410496.

It is a happy number.

It is a super-2 number, since 2×6940144848² = 96331221022441886208, which contains 22 as substring.

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 = 6940144797 and 6940144806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 790063 + ... + 798798.

Almost surely, 2^6940144848 is an apocalyptic number.

It is an amenable number.

6940144848 is an abundant number, since it is smaller than the sum of its proper divisors (15125970608).

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

6940144848 is a wasteful number, since it uses less digits than its factorization.

6940144848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588892 (or 1588886 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The square root of 6940144848 is about 83307.5317603397. The cubic root of 6940144848 is about 1907.4632448900.

The spelling of 6940144848 in words is "six billion, nine hundred forty million, one hundred forty-four thousand, eight hundred forty-eight".