16240364550 has 36 divisors (see below), whose sum is σ = 43632447300. Its totient is φ = 4330763760.

The previous prime is 16240364509. The next prime is 16240364557. The reversal of 16240364550 is 5546304261.

16240364550 is a `hidden beast` number, since 1 + 6 + 2 + 4 + 0 + 3 + 645 + 5 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16240364557) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 18044400 + ... + 18045299.

It is an arithmetic number, because the mean of its divisors is an integer number (1212012425).

Almost surely, 2^16240364550 is an apocalyptic number.

16240364550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16240364550 is an abundant number, since it is smaller than the sum of its proper divisors (27392082750).

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

16240364550 is a wasteful number, since it uses less digits than its factorization.

16240364550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36089717 (or 36089709 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 16240364550 in words is "sixteen billion, two hundred forty million, three hundred sixty-four thousand, five hundred fifty".