16440015070 has 32 divisors (see below), whose sum is σ = 31561485408. Its totient is φ = 6143996928.

The previous prime is 16440015017. The next prime is 16440015079. The reversal of 16440015070 is 7051004461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16440015079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329652 + ... + 376231.

It is an arithmetic number, because the mean of its divisors is an integer number (986296419).

Almost surely, 2^16440015070 is an apocalyptic number.

16440015070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16440015070 is a deficient number, since it is larger than the sum of its proper divisors (15121470338).

16440015070 is a wasteful number, since it uses less digits than its factorization.

16440015070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706044.

The product of its (nonzero) digits is 3360, while the sum is 28.

The spelling of 16440015070 in words is "sixteen billion, four hundred forty million, fifteen thousand, seventy".