1532681280 has 504 divisors, whose sum is σ = 5916972672. Its totient is φ = 363737088.

The previous prime is 1532681239. The next prime is 1532681299. The reversal of 1532681280 is 821862351.

It is a happy number.

It is a super-2 number, since 2×1532681280² = 4698223812124876800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 22875807 + ... + 22875873.

Almost surely, 2^1532681280 is an apocalyptic number.

1532681280 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 1532681280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2958486336).

1532681280 is an abundant number, since it is smaller than the sum of its proper divisors (4384291392).

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

1532681280 is a wasteful number, since it uses less digits than its factorization.

1532681280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1532681280 is about 39149.4735596789. The cubic root of 1532681280 is about 1152.9680809232.

The spelling of 1532681280 in words is "one billion, five hundred thirty-two million, six hundred eighty-one thousand, two hundred eighty".