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1412322240 = 26357732879

1412322240 has 224 divisors, whose sum is σ = 5196718080. Its totient is φ = 318283776.

The previous prime is 1412322151. The next prime is 1412322253. The reversal of 1412322240 is 422232141.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 489121 + ... + 491999.

Almost surely, 21412322240 is an apocalyptic number.

1412322240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1412322240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2598359040).

1412322240 is an abundant number, since it is smaller than the sum of its proper divisors (3784395840).

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

1412322240 is a wasteful number, since it uses less digits than its factorization.

1412322240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2979 (or 2969 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1412322240 is about 37580.8759876616. The cubic root of 1412322240 is about 1121.9614438916.

Adding to 1412322240 its reverse (422232141), we get a palindrome (1834554381).

Subtracting from 1412322240 its reverse (422232141), we obtain a palindrome (990090099).

It can be divided in two parts, 14123 and 22240, that added together give a palindrome (36363).

The spelling of 1412322240 in words is "one billion, four hundred twelve million, three hundred twenty-two thousand, two hundred forty".