6494261240 has 32 divisors (see below), whose sum is σ = 14753962080. Its totient is φ = 2572482432.

The previous prime is 6494261183. The next prime is 6494261309. The reversal of 6494261240 is 421624946.

It is a junction number, because it is equal to n+sod(n) for n = 6494261194 and 6494261203.

It is a congruent number.

It is an unprimeable number.

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, 784019 + ... + 792258.

It is an arithmetic number, because the mean of its divisors is an integer number (461061315).

Almost surely, 2^6494261240 is an apocalyptic number.

It is an amenable number.

6494261240 is an abundant number, since it is smaller than the sum of its proper divisors (8259700840).

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

6494261240 is a wasteful number, since it uses less digits than its factorization.

6494261240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576391 (or 1576387 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 6494261240 is about 80586.9793453012. The cubic root of 6494261240 is about 1865.7061862901.

The spelling of 6494261240 in words is "six billion, four hundred ninety-four million, two hundred sixty-one thousand, two hundred forty".