6400238531370 has 32 divisors (see below), whose sum is σ = 15379845522048. Its totient is φ = 1704588825408.

The previous prime is 6400238531341. The next prime is 6400238531411. The reversal of 6400238531370 is 731358320046.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133816294 + ... + 133864113.

It is an arithmetic number, because the mean of its divisors is an integer number (480620172564).

Almost surely, 2^{6400238531370} is an apocalyptic number.

6400238531370 is an abundant number, since it is smaller than the sum of its proper divisors (8979606990678).

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

6400238531370 is a wasteful number, since it uses less digits than its factorization.

6400238531370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267681214.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 6400238531370 in words is "six trillion, four hundred billion, two hundred thirty-eight million, five hundred thirty-one thousand, three hundred seventy".