6936343240 has 16 divisors (see below), whose sum is σ = 15606772380. Its totient is φ = 2774537280.

The previous prime is 6936343231. The next prime is 6936343261. The reversal of 6936343240 is 423436396.

It can be written as a sum of positive squares in 2 ways, for example, as 6321204036 + 615139204 = 79506^2 + 24802^2 .

It is a super-2 number, since 2×6936343240² = 96225715086187395200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 173408581 = 6936343240 / (6 + 9 + 3 + 6 + 3 + 4 + 3 + 2 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 6936343193 and 6936343202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86704251 + ... + 86704330.

Almost surely, 2^6936343240 is an apocalyptic number.

It is an amenable number.

6936343240 is an abundant number, since it is smaller than the sum of its proper divisors (8670429140).

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

6936343240 is a wasteful number, since it uses less digits than its factorization.

6936343240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173408592 (or 173408588 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 40.

The square root of 6936343240 is about 83284.7119224171. The cubic root of 6936343240 is about 1907.1148971185.

The spelling of 6936343240 in words is "six billion, nine hundred thirty-six million, three hundred forty-three thousand, two hundred forty".