6309496140 has 48 divisors (see below), whose sum is σ = 17692952928. Its totient is φ = 1680021504.

The previous prime is 6309496139. The next prime is 6309496147. The reversal of 6309496140 is 416949036.

It is a junction number, because it is equal to n+sod(n) for n = 6309496092 and 6309496101.

It is not an unprimeable number, because it can be changed into a prime (6309496147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37747 + ... + 118506.

It is an arithmetic number, because the mean of its divisors is an integer number (368603186).

Almost surely, 2^6309496140 is an apocalyptic number.

6309496140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6309496140 is an abundant number, since it is smaller than the sum of its proper divisors (11383456788).

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

6309496140 is a wasteful number, since it uses less digits than its factorization.

6309496140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156938 (or 156936 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 6309496140 is about 79432.3368660396. The cubic root of 6309496140 is about 1847.8422507819.

The spelling of 6309496140 in words is "six billion, three hundred nine million, four hundred ninety-six thousand, one hundred forty".