16731700440 has 256 divisors, whose sum is σ = 63449809920. Its totient is φ = 3434711040.

The previous prime is 16731700397. The next prime is 16731700457. The reversal of 16731700440 is 4400713761.

It is a super-2 number, since 2×16731700440² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 383335 + ... + 424745.

It is an arithmetic number, because the mean of its divisors is an integer number (247850820).

Almost surely, 2^16731700440 is an apocalyptic number.

16731700440 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 16731700440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31724904960).

16731700440 is an abundant number, since it is smaller than the sum of its proper divisors (46718109480).

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

16731700440 is a wasteful number, since it uses less digits than its factorization.

16731700440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41482 (or 41478 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The spelling of 16731700440 in words is "sixteen billion, seven hundred thirty-one million, seven hundred thousand, four hundred forty".