6936995440 has 40 divisors (see below), whose sum is σ = 16276502880. Its totient is φ = 2749337856.

The previous prime is 6936995407. The next prime is 6936995447. The reversal of 6936995440 is 445996396.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6936995447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389044 + ... + 406483.

It is an arithmetic number, because the mean of its divisors is an integer number (406912572).

Almost surely, 2^6936995440 is an apocalyptic number.

It is an amenable number.

6936995440 is an abundant number, since it is smaller than the sum of its proper divisors (9339507440).

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

6936995440 is a wasteful number, since it uses less digits than its factorization.

6936995440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795649 (or 795643 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 55.

The square root of 6936995440 is about 83288.6273148982. The cubic root of 6936995440 is about 1907.1746683510.

The spelling of 6936995440 in words is "six billion, nine hundred thirty-six million, nine hundred ninety-five thousand, four hundred forty".