6810019240 has 32 divisors (see below), whose sum is σ = 15816821760. Its totient is φ = 2636136000.

The previous prime is 6810019219. The next prime is 6810019247. The reversal of 6810019240 is 429100186.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (6810019247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2744736 + ... + 2747215.

It is an arithmetic number, because the mean of its divisors is an integer number (494275680).

Almost surely, 2^6810019240 is an apocalyptic number.

It is an amenable number.

6810019240 is an abundant number, since it is smaller than the sum of its proper divisors (9006802520).

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

6810019240 is a wasteful number, since it uses less digits than its factorization.

6810019240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5491993 (or 5491989 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 6810019240 is about 82522.8407169797. The cubic root of 6810019240 is about 1895.4664989079.

The spelling of 6810019240 in words is "six billion, eight hundred ten million, nineteen thousand, two hundred forty".