1530788880 has 40 divisors (see below), whose sum is σ = 4745446272. Its totient is φ = 408210304.

The previous prime is 1530788873. The next prime is 1530788893. The reversal of 1530788880 is 888870351.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3188904 + ... + 3189383.

Almost surely, 2^1530788880 is an apocalyptic number.

1530788880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1530788880 is an abundant number, since it is smaller than the sum of its proper divisors (3214657392).

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

1530788880 is a wasteful number, since it uses less digits than its factorization.

1530788880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6378303 (or 6378297 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 48.

The square root of 1530788880 is about 39125.2971873697. The cubic root of 1530788880 is about 1152.4933626569.

The spelling of 1530788880 in words is "one billion, five hundred thirty million, seven hundred eighty-eight thousand, eight hundred eighty".