1326542260 has 48 divisors (see below), whose sum is σ = 2863719936. Its totient is φ = 515878272.

The previous prime is 1326542233. The next prime is 1326542299. The reversal of 1326542260 is 622456231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188322 + ... + 195238.

It is an arithmetic number, because the mean of its divisors is an integer number (59660832).

Almost surely, 2^1326542260 is an apocalyptic number.

1326542260 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 1326542260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1431859968).

1326542260 is an abundant number, since it is smaller than the sum of its proper divisors (1537177676).

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

1326542260 is a wasteful number, since it uses less digits than its factorization.

1326542260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7192 (or 7190 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 1326542260 is about 36421.7278557731. The cubic root of 1326542260 is about 1098.7705989392.

Adding to 1326542260 its reverse (622456231), we get a palindrome (1948998491).

The spelling of 1326542260 in words is "one billion, three hundred twenty-six million, five hundred forty-two thousand, two hundred sixty".