6432240871 has 16 divisors (see below), whose sum is σ = 7764748288. Its totient is φ = 5211410400.

The previous prime is 6432240869. The next prime is 6432240877. The reversal of 6432240871 is 1780422346.

It is not a de Polignac number, because 6432240871 - 2¹ = 6432240869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6432240871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6432240877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 335340 + ... + 354001.

It is an arithmetic number, because the mean of its divisors is an integer number (485296768).

Almost surely, 2^6432240871 is an apocalyptic number.

6432240871 is a deficient number, since it is larger than the sum of its proper divisors (1332507417).

6432240871 is a wasteful number, since it uses less digits than its factorization.

6432240871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689422.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 6432240871 is about 80201.2523031904. The cubic root of 6432240871 is about 1859.7479975196.

The spelling of 6432240871 in words is "six billion, four hundred thirty-two million, two hundred forty thousand, eight hundred seventy-one".