16419254280 has 256 divisors, whose sum is σ = 58100716800. Its totient is φ = 3659550720.

The previous prime is 16419254251. The next prime is 16419254317. The reversal of 16419254280 is 8245291461.

It is a super-2 number, since 2×16419254280² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4614262 + ... + 4617818.

It is an arithmetic number, because the mean of its divisors is an integer number (226955925).

Almost surely, 2^16419254280 is an apocalyptic number.

16419254280 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 16419254280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29050358400).

16419254280 is an abundant number, since it is smaller than the sum of its proper divisors (41681462520).

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

16419254280 is a wasteful number, since it uses less digits than its factorization.

16419254280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3864 (or 3860 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

It can be divided in two parts, 1641925 and 4280, that added together give a triangular number (1646205 = T₁₈₁₄).

The spelling of 16419254280 in words is "sixteen billion, four hundred nineteen million, two hundred fifty-four thousand, two hundred eighty".