16802388240 has 80 divisors (see below), whose sum is σ = 56822630976. Its totient is φ = 4073305600.

The previous prime is 16802388233. The next prime is 16802388241. The reversal of 16802388240 is 4288320861.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 16802388192 and 16802388201.

It is not an unprimeable number, because it can be changed into a prime (16802388241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3179631 + ... + 3184910.

Almost surely, 2^16802388240 is an apocalyptic number.

16802388240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16802388240 is an abundant number, since it is smaller than the sum of its proper divisors (40020242736).

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

16802388240 is a wasteful number, since it uses less digits than its factorization.

16802388240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6364568 (or 6364562 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The spelling of 16802388240 in words is "sixteen billion, eight hundred two million, three hundred eighty-eight thousand, two hundred forty".