16425276280 has 96 divisors (see below), whose sum is σ = 43231741200. Its totient is φ = 5599942656.

The previous prime is 16425276277. The next prime is 16425276347. The reversal of 16425276280 is 8267252461.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 327432 + ... + 374248.

Almost surely, 2^16425276280 is an apocalyptic number.

16425276280 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 16425276280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21615870600).

16425276280 is an abundant number, since it is smaller than the sum of its proper divisors (26806464920).

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

16425276280 is a wasteful number, since it uses less digits than its factorization.

16425276280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47021 (or 47010 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The spelling of 16425276280 in words is "sixteen billion, four hundred twenty-five million, two hundred seventy-six thousand, two hundred eighty".