6494786040 has 32 divisors (see below), whose sum is σ = 19484358480. Its totient is φ = 1731942912.

The previous prime is 6494786027. The next prime is 6494786047. The reversal of 6494786040 is 406874946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6494786047) 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, 27061489 + ... + 27061728.

Almost surely, 2^6494786040 is an apocalyptic number.

6494786040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6494786040 is an abundant number, since it is smaller than the sum of its proper divisors (12989572440).

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

6494786040 is a wasteful number, since it uses less digits than its factorization.

6494786040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54123231 (or 54123227 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 6494786040 is about 80590.2353886623. The cubic root of 6494786040 is about 1865.7564407223.

The spelling of 6494786040 in words is "six billion, four hundred ninety-four million, seven hundred eighty-six thousand, forty".