6449240604 has 24 divisors (see below), whose sum is σ = 15840240640. Its totient is φ = 2036602224.

The previous prime is 6449240599. The next prime is 6449240621. The reversal of 6449240604 is 4060429446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14142844 + ... + 14143299.

Almost surely, 2^6449240604 is an apocalyptic number.

It is an amenable number.

6449240604 is an abundant number, since it is smaller than the sum of its proper divisors (9391000036).

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

6449240604 is a wasteful number, since it uses less digits than its factorization.

6449240604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28286169 (or 28286167 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

The square root of 6449240604 is about 80307.1640888906. The cubic root of 6449240604 is about 1861.3849287730.

The spelling of 6449240604 in words is "six billion, four hundred forty-nine million, two hundred forty thousand, six hundred four".