16281403420 has 24 divisors (see below), whose sum is σ = 34193376000. Its totient is φ = 6512098752.

The previous prime is 16281403403. The next prime is 16281403459. The reversal of 16281403420 is 2430418261.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467781 + ... + 501379.

It is an arithmetic number, because the mean of its divisors is an integer number (1424724000).

Almost surely, 2^16281403420 is an apocalyptic number.

16281403420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16281403420 is an abundant number, since it is smaller than the sum of its proper divisors (17911972580).

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

16281403420 is a wasteful number, since it uses less digits than its factorization.

16281403420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57837 (or 57835 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 16281403420 in words is "sixteen billion, two hundred eighty-one million, four hundred three thousand, four hundred twenty".