16440325090 has 32 divisors (see below), whose sum is σ = 33828125184. Its totient is φ = 5635344960.

The previous prime is 16440325087. The next prime is 16440325093. The reversal of 16440325090 is 9052304461.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16440325087) and next prime (16440325093).

It is a super-3 number, since 3×16440325090³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16440325093) 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, 295792 + ... + 346948.

It is an arithmetic number, because the mean of its divisors is an integer number (1057128912).

Almost surely, 2^16440325090 is an apocalyptic number.

16440325090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16440325090 is an abundant number, since it is smaller than the sum of its proper divisors (17387800094).

16440325090 is a wasteful number, since it uses less digits than its factorization.

16440325090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55762.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 16440325090 in words is "sixteen billion, four hundred forty million, three hundred twenty-five thousand, ninety".