16504747040 has 48 divisors (see below), whose sum is σ = 39009767832. Its totient is φ = 6598969344.

The previous prime is 16504746949. The next prime is 16504747067. The reversal of 16504747040 is 4074740561.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15305648656 + 1199098384 = 123716^2 + 34628^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16504746985 and 16504747003.

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, 358622 + ... + 402018.

Almost surely, 2^16504747040 is an apocalyptic number.

16504747040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16504747040 is an abundant number, since it is smaller than the sum of its proper divisors (22505020792).

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

16504747040 is a wasteful number, since it uses less digits than its factorization.

16504747040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45789 (or 45781 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 16504747040 in words is "sixteen billion, five hundred four million, seven hundred forty-seven thousand, forty".