16450356340 has 96 divisors (see below), whose sum is σ = 40070878848. Its totient is φ = 5606400000.

The previous prime is 16450356283. The next prime is 16450356347. The reversal of 16450356340 is 4365305461.

It is a super-2 number, since 2×16450356340² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16450356340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16450356347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 892215 + ... + 910465.

It is an arithmetic number, because the mean of its divisors is an integer number (417404988).

Almost surely, 2^16450356340 is an apocalyptic number.

16450356340 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 16450356340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20035439424).

16450356340 is an abundant number, since it is smaller than the sum of its proper divisors (23620522508).

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

16450356340 is a wasteful number, since it uses less digits than its factorization.

16450356340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18529 (or 18527 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 16450356340 in words is "sixteen billion, four hundred fifty million, three hundred fifty-six thousand, three hundred forty".