16849674240 has 448 divisors, whose sum is σ = 64923863040. Its totient is φ = 3645112320.

The previous prime is 16849674239. The next prime is 16849674269. The reversal of 16849674240 is 4247694861.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (448).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16342525 + ... + 16343555.

Almost surely, 2^16849674240 is an apocalyptic number.

16849674240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16849674240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32461931520).

16849674240 is an abundant number, since it is smaller than the sum of its proper divisors (48074188800).

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

16849674240 is a wasteful number, since it uses less digits than its factorization.

16849674240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091 (or 1067 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 16849674240 in words is "sixteen billion, eight hundred forty-nine million, six hundred seventy-four thousand, two hundred forty".