6432041840 has 240 divisors, whose sum is σ = 17985911328. Its totient is φ = 2131863552.

The previous prime is 6432041831. The next prime is 6432041843. The reversal of 6432041840 is 481402346.

It is a junction number, because it is equal to n+sod(n) for n = 6432041797 and 6432041806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6432041843) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17243894 + ... + 17244266.

Almost surely, 2^6432041840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6432041840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8992955664).

6432041840 is an abundant number, since it is smaller than the sum of its proper divisors (11553869488).

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

6432041840 is a wasteful number, since it uses less digits than its factorization.

6432041840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 6432041840 is about 80200.0114713209. The cubic root of 6432041840 is about 1859.7288154373.

The spelling of 6432041840 in words is "six billion, four hundred thirty-two million, forty-one thousand, eight hundred forty".