3447448290 has 224 divisors, whose sum is σ = 10933707456. Its totient is φ = 771223680.

The previous prime is 3447448289. The next prime is 3447448297. The reversal of 3447448290 is 928447443.

3447448290 is a `hidden beast` number, since 3 + 447 + 44 + 82 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3447448297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 1040817 + ... + 1044123.

It is an arithmetic number, because the mean of its divisors is an integer number (48811194).

Almost surely, 2^3447448290 is an apocalyptic number.

3447448290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3447448290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5466853728).

3447448290 is an abundant number, since it is smaller than the sum of its proper divisors (7486259166).

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

3447448290 is a wasteful number, since it uses less digits than its factorization.

3447448290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3356 (or 3341 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The square root of 3447448290 is about 58714.9750063815. The cubic root of 3447448290 is about 1510.6571836400.

The spelling of 3447448290 in words is "three billion, four hundred forty-seven million, four hundred forty-eight thousand, two hundred ninety".