6339432685040 has 160 divisors (see below), whose sum is σ = 18150986345856. Its totient is φ = 2005169541120.

The previous prime is 6339432685039. The next prime is 6339432685057. The reversal of 6339432685040 is 405862349336.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12424394 + ... + 12924566.

Almost surely, 2^{6339432685040} 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 6339432685040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9075493172928).

6339432685040 is an abundant number, since it is smaller than the sum of its proper divisors (11811553660816).

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

6339432685040 is a wasteful number, since it uses less digits than its factorization.

6339432685040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501947 (or 501941 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 53.

The spelling of 6339432685040 in words is "six trillion, three hundred thirty-nine billion, four hundred thirty-two million, six hundred eighty-five thousand, forty".