1530551040 has 72 divisors (see below), whose sum is σ = 4888209648. Its totient is φ = 408145920.

The previous prime is 1530550997. The next prime is 1530551117. The reversal of 1530551040 is 401550351.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1530551040.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195451 + ... + 203130.

Almost surely, 2^1530551040 is an apocalyptic number.

1530551040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1530551040 is an abundant number, since it is smaller than the sum of its proper divisors (3357658608).

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

1530551040 is an equidigital number, since it uses as much as digits as its factorization.

1530551040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398605 (or 398591 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 1530551040 is about 39122.2576035688. The cubic root of 1530551040 is about 1152.4336715999.

The spelling of 1530551040 in words is "one billion, five hundred thirty million, five hundred fifty-one thousand, forty".