1332456540 has 96 divisors (see below), whose sum is σ = 3846479616. Its totient is φ = 344424960.

The previous prime is 1332456527. The next prime is 1332456547. The reversal of 1332456540 is 456542331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1332456547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 399319 + ... + 402641.

It is an arithmetic number, because the mean of its divisors is an integer number (40067496).

Almost surely, 2^1332456540 is an apocalyptic number.

1332456540 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 1332456540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1923239808).

1332456540 is an abundant number, since it is smaller than the sum of its proper divisors (2514023076).

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

1332456540 is a wasteful number, since it uses less digits than its factorization.

1332456540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3539 (or 3537 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 1332456540 is about 36502.8292054191. The cubic root of 1332456540 is about 1100.4011044121.

Adding to 1332456540 its reverse (456542331), we get a palindrome (1788998871).

The spelling of 1332456540 in words is "one billion, three hundred thirty-two million, four hundred fifty-six thousand, five hundred forty".