6446055400 has 48 divisors (see below), whose sum is σ = 14992388640. Its totient is φ = 2577508800.

The previous prime is 6446055397. The next prime is 6446055439. The reversal of 6446055400 is 45506446.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1018245 + ... + 1024555.

It is an arithmetic number, because the mean of its divisors is an integer number (312341430).

Almost surely, 2^6446055400 is an apocalyptic number.

It is an amenable number.

6446055400 is an abundant number, since it is smaller than the sum of its proper divisors (8546333240).

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

6446055400 is a wasteful number, since it uses less digits than its factorization.

6446055400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11434 (or 11425 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 6446055400 is about 80287.3302582668. The cubic root of 6446055400 is about 1861.0784396103.

The spelling of 6446055400 in words is "six billion, four hundred forty-six million, fifty-five thousand, four hundred".