6985751240 has 32 divisors (see below), whose sum is σ = 16927013880. Its totient is φ = 2579354112.

The previous prime is 6985751239. The next prime is 6985751251. The reversal of 6985751240 is 421575896.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4380057124 + 2605694116 = 66182^2 + 51046^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6716549 + ... + 6717588.

Almost surely, 2^6985751240 is an apocalyptic number.

It is an amenable number.

6985751240 is an abundant number, since it is smaller than the sum of its proper divisors (9941262640).

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

6985751240 is a wasteful number, since it uses less digits than its factorization.

6985751240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13434161 (or 13434157 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 47.

The square root of 6985751240 is about 83580.8066484166. The cubic root of 6985751240 is about 1911.6323536103.

The spelling of 6985751240 in words is "six billion, nine hundred eighty-five million, seven hundred fifty-one thousand, two hundred forty".