16129284040 has 32 divisors (see below), whose sum is σ = 36297434880. Its totient is φ = 6450549952.

The previous prime is 16129284029. The next prime is 16129284071. The reversal of 16129284040 is 4048292161.

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, 208539 + ... + 275221.

It is an arithmetic number, because the mean of its divisors is an integer number (1134294840).

Almost surely, 2^16129284040 is an apocalyptic number.

16129284040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16129284040 is an abundant number, since it is smaller than the sum of its proper divisors (20168150840).

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

16129284040 is a wasteful number, since it uses less digits than its factorization.

16129284040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72741 (or 72737 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 16129284040 in words is "sixteen billion, one hundred twenty-nine million, two hundred eighty-four thousand, forty".