6475127440 has 40 divisors (see below), whose sum is σ = 15709226688. Its totient is φ = 2477439360.

The previous prime is 6475127383. The next prime is 6475127459. The reversal of 6475127440 is 447215746.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 6475127393 and 6475127402.

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, 1757706 + ... + 1761385.

Almost surely, 2^6475127440 is an apocalyptic number.

It is an amenable number.

6475127440 is an abundant number, since it is smaller than the sum of its proper divisors (9234099248).

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

6475127440 is a wasteful number, since it uses less digits than its factorization.

6475127440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3519127 (or 3519121 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 40.

The square root of 6475127440 is about 80468.1765668889. The cubic root of 6475127440 is about 1863.8720969911.

The spelling of 6475127440 in words is "six billion, four hundred seventy-five million, one hundred twenty-seven thousand, four hundred forty".