6475537240 has 32 divisors (see below), whose sum is σ = 14963744880. Its totient is φ = 2520208512.

The previous prime is 6475537213. The next prime is 6475537241. The reversal of 6475537240 is 427355746.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6475537241) 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, 2186202 + ... + 2189161.

Almost surely, 2^6475537240 is an apocalyptic number.

It is an amenable number.

6475537240 is an abundant number, since it is smaller than the sum of its proper divisors (8488207640).

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

6475537240 is a wasteful number, since it uses less digits than its factorization.

6475537240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4375411 (or 4375407 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 43.

The square root of 6475537240 is about 80470.7228748444. The cubic root of 6475537240 is about 1863.9114166122.

The spelling of 6475537240 in words is "six billion, four hundred seventy-five million, five hundred thirty-seven thousand, two hundred forty".