16402276000 has 144 divisors (see below), whose sum is σ = 44298432360. Its totient is φ = 5964288000.

The previous prime is 16402275973. The next prime is 16402276001. The reversal of 16402276000 is 67220461.

It can be written as a sum of positive squares in 4 ways, for example, as 9361723536 + 7040552464 = 96756^2 + 83908^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16402276000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16402276001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 467056 + ... + 500944.

Almost surely, 2^16402276000 is an apocalyptic number.

16402276000 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 16402276000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22149216180).

16402276000 is an abundant number, since it is smaller than the sum of its proper divisors (27896156360).

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

16402276000 is a wasteful number, since it uses less digits than its factorization.

16402276000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33936 (or 33907 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

Adding to 16402276000 its reverse (67220461), we get a palindrome (16469496461).

The spelling of 16402276000 in words is "sixteen billion, four hundred two million, two hundred seventy-six thousand".