1501325280 has 960 divisors, whose sum is σ = 6966812160. Its totient is φ = 295612416.

The previous prime is 1501325279. The next prime is 1501325281. The reversal of 1501325280 is 825231051.

It is a happy number.

1501325280 is a `hidden beast` number, since 1 + 5 + 0 + 132 + 528 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1501325279) and next prime (1501325281).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1501325281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 22407807 + ... + 22407873.

It is an arithmetic number, because the mean of its divisors is an integer number (7257096).

Almost surely, 2^1501325280 is an apocalyptic number.

1501325280 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 1501325280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3483406080).

1501325280 is an abundant number, since it is smaller than the sum of its proper divisors (5465486880).

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

1501325280 is a wasteful number, since it uses less digits than its factorization.

1501325280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 1501325280 is about 38746.9389758727. The cubic root of 1501325280 is about 1145.0512692920.

The spelling of 1501325280 in words is "one billion, five hundred one million, three hundred twenty-five thousand, two hundred eighty".