1000440350 has 144 divisors (see below), whose sum is σ = 2361786336. Its totient is φ = 312480000.

The previous prime is 1000440313. The next prime is 1000440359. The reversal of 1000440350 is 530440001.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000440359) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3216695 + ... + 3217005.

It is an arithmetic number, because the mean of its divisors is an integer number (16401294).

Almost surely, 2^1000440350 is an apocalyptic number.

1000440350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000440350 is an abundant number, since it is smaller than the sum of its proper divisors (1361345986).

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

1000440350 is a wasteful number, since it uses less digits than its factorization.

1000440350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1000440350 is about 31629.7383802016. The cubic root of 1000440350 is about 1000.1467617933.

Adding to 1000440350 its reverse (530440001), we get a palindrome (1530880351).

The spelling of 1000440350 in words is "one billion, four hundred forty thousand, three hundred fifty".