1451113326 has 64 divisors (see below), whose sum is σ = 3480019200. Its totient is φ = 445562208.

The previous prime is 1451113291. The next prime is 1451113351. The reversal of 1451113326 is 6233111541.

It is a happy number.

1451113326 is a `hidden beast` number, since 14 + 511 + 133 + 2 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1451113326.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 382105 + ... + 385883.

It is an arithmetic number, because the mean of its divisors is an integer number (54375300).

Almost surely, 2^1451113326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1451113326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1740009600).

1451113326 is an abundant number, since it is smaller than the sum of its proper divisors (2028905874).

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

1451113326 is a wasteful number, since it uses less digits than its factorization.

1451113326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4350 (or 4344 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 1451113326 is about 38093.4814108661. The cubic root of 1451113326 is about 1132.1408044666.

Adding to 1451113326 its reverse (6233111541), we get a palindrome (7684224867).

The spelling of 1451113326 in words is "one billion, four hundred fifty-one million, one hundred thirteen thousand, three hundred twenty-six".