1332501540 has 72 divisors (see below), whose sum is σ = 3937772160. Its totient is φ = 336626496.

The previous prime is 1332501523. The next prime is 1332501557. The reversal of 1332501540 is 451052331.

It is an interprime number because it is at equal distance from previous prime (1332501523) and next prime (1332501557).

It is a self number, because there is not a number n which added to its sum of digits gives 1332501540.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9100 + ... + 52419.

It is an arithmetic number, because the mean of its divisors is an integer number (54691280).

Almost surely, 2^1332501540 is an apocalyptic number.

1332501540 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 1332501540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1968886080).

1332501540 is an abundant number, since it is smaller than the sum of its proper divisors (2605270620).

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

1332501540 is a wasteful number, since it uses less digits than its factorization.

1332501540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61569 (or 61548 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1332501540 is about 36503.4455907932. The cubic root of 1332501540 is about 1100.4134919311.

Adding to 1332501540 its reverse (451052331), we get a palindrome (1783553871).

The spelling of 1332501540 in words is "one billion, three hundred thirty-two million, five hundred one thousand, five hundred forty".