6435439480 has 16 divisors (see below), whose sum is σ = 14479738920. Its totient is φ = 2574175776.

The previous prime is 6435439457. The next prime is 6435439519. The reversal of 6435439480 is 849345346.

It is a self number, because there is not a number n which added to its sum of digits gives 6435439480.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80442954 + ... + 80443033.

Almost surely, 2^6435439480 is an apocalyptic number.

It is an amenable number.

6435439480 is an abundant number, since it is smaller than the sum of its proper divisors (8044299440).

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

6435439480 is a wasteful number, since it uses less digits than its factorization.

6435439480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160885998 (or 160885994 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 46.

The square root of 6435439480 is about 80221.1909659786. The cubic root of 6435439480 is about 1860.0562167462.

The spelling of 6435439480 in words is "six billion, four hundred thirty-five million, four hundred thirty-nine thousand, four hundred eighty".