6736394040 has 32 divisors (see below), whose sum is σ = 20209182480. Its totient is φ = 1796371712.

The previous prime is 6736393967. The next prime is 6736394099. The reversal of 6736394040 is 404936376.

It is a junction number, because it is equal to n+sod(n) for n = 6736393983 and 6736394001.

It is a congruent number.

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, 28068189 + ... + 28068428.

Almost surely, 2^6736394040 is an apocalyptic number.

6736394040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6736394040 is an abundant number, since it is smaller than the sum of its proper divisors (13472788440).

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

6736394040 is a wasteful number, since it uses less digits than its factorization.

6736394040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56136631 (or 56136627 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 42.

The square root of 6736394040 is about 82075.5386214431. The cubic root of 6736394040 is about 1888.6109106710.

The spelling of 6736394040 in words is "six billion, seven hundred thirty-six million, three hundred ninety-four thousand, forty".