16281940004 has 24 divisors (see below), whose sum is σ = 31328467968. Its totient is φ = 7342604640.

The previous prime is 16281939979. The next prime is 16281940091. The reversal of 16281940004 is 40004918261.

It is a happy 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, 1451279 + ... + 1462454.

It is an arithmetic number, because the mean of its divisors is an integer number (1305352832).

Almost surely, 2^16281940004 is an apocalyptic number.

It is an amenable number.

16281940004 is a deficient number, since it is larger than the sum of its proper divisors (15046527964).

16281940004 is a wasteful number, since it uses less digits than its factorization.

16281940004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2913875 (or 2913873 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 16281940004 in words is "sixteen billion, two hundred eighty-one million, nine hundred forty thousand, four".