16477440000 has 480 divisors, whose sum is σ = 62838135360. Its totient is φ = 3760128000.

The previous prime is 16477439999. The next prime is 16477440017. The reversal of 16477440000 is 4477461.

It is a tau number, because it is divible by the number of its divisors (480).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 26879694 + ... + 26880306.

It is an arithmetic number, because the mean of its divisors is an integer number (130912782).

Almost surely, 2^16477440000 is an apocalyptic number.

16477440000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16477440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31419067680).

16477440000 is an abundant number, since it is smaller than the sum of its proper divisors (46360695360).

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

16477440000 is an frugal number, since it uses more digits than its factorization.

16477440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The spelling of 16477440000 in words is "sixteen billion, four hundred seventy-seven million, four hundred forty thousand".