16247840434 has 16 divisors (see below), whose sum is σ = 28325534400. Its totient is φ = 6845336784.

The previous prime is 16247840419. The next prime is 16247840459. The reversal of 16247840434 is 43404874261.

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, 9834429 + ... + 9836080.

It is an arithmetic number, because the mean of its divisors is an integer number (1770345900).

Almost surely, 2^16247840434 is an apocalyptic number.

16247840434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16247840434 is a deficient number, since it is larger than the sum of its proper divisors (12077693966).

16247840434 is a wasteful number, since it uses less digits than its factorization.

16247840434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19670577.

The product of its (nonzero) digits is 516096, while the sum is 43.

The spelling of 16247840434 in words is "sixteen billion, two hundred forty-seven million, eight hundred forty thousand, four hundred thirty-four".