1530822090 has 128 divisors (see below), whose sum is σ = 4334174208. Its totient is φ = 338722560.

The previous prime is 1530822089. The next prime is 1530822107. The reversal of 1530822090 is 902280351.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2105307 + ... + 2106033.

It is an arithmetic number, because the mean of its divisors is an integer number (33860736).

Almost surely, 2^1530822090 is an apocalyptic number.

1530822090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1530822090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2167087104).

1530822090 is an abundant number, since it is smaller than the sum of its proper divisors (2803352118).

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

1530822090 is a wasteful number, since it uses less digits than its factorization.

1530822090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1530822090 is about 39125.7215907899. The cubic root of 1530822090 is about 1152.5016969278.

The spelling of 1530822090 in words is "one billion, five hundred thirty million, eight hundred twenty-two thousand, ninety".