1013401344 has 144 divisors (see below), whose sum is σ = 2846817792. Its totient is φ = 319401984.

The previous prime is 1013401343. The next prime is 1013401349. The reversal of 1013401344 is 4431043101.

It is a self number, because there is not a number n which added to its sum of digits gives 1013401344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013401343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1819114 + ... + 1819670.

It is an arithmetic number, because the mean of its divisors is an integer number (19769568).

Almost surely, 2^1013401344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1013401344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1423408896).

1013401344 is an abundant number, since it is smaller than the sum of its proper divisors (1833416448).

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

1013401344 is a wasteful number, since it uses less digits than its factorization.

1013401344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1013401344 is about 31833.9652572531. The cubic root of 1013401344 is about 1004.4473068084.

Adding to 1013401344 its reverse (4431043101), we get a palindrome (5444444445).

The spelling of 1013401344 in words is "one billion, thirteen million, four hundred one thousand, three hundred forty-four".