6405256141470 has 48 divisors (see below), whose sum is σ = 17227930318560. Its totient is φ = 1649169396672.

The previous prime is 6405256141463. The next prime is 6405256141519. The reversal of 6405256141470 is 741416525046.

6405256141470 is a `hidden beast` number, since 6 + 4 + 0 + 5 + 2 + 561 + 4 + 14 + 70 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1227057954 + ... + 1227063173.

It is an arithmetic number, because the mean of its divisors is an integer number (358915214970).

Almost surely, 2^{6405256141470} is an apocalyptic number.

6405256141470 is an abundant number, since it is smaller than the sum of its proper divisors (10822674177090).

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

6405256141470 is a wasteful number, since it uses less digits than its factorization.

6405256141470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454121169 (or 2454121166 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 6405256141470 in words is "six trillion, four hundred five billion, two hundred fifty-six million, one hundred forty-one thousand, four hundred seventy".