1530218404 has 48 divisors (see below), whose sum is σ = 3247566336. Its totient is φ = 621331200.

The previous prime is 1530218401. The next prime is 1530218419. The reversal of 1530218404 is 4048120351.

It is a super-3 number, since 3×1530218404³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1530218401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25417 + ... + 60880.

It is an arithmetic number, because the mean of its divisors is an integer number (67657632).

Almost surely, 2^1530218404 is an apocalyptic number.

It is an amenable number.

1530218404 is an abundant number, since it is smaller than the sum of its proper divisors (1717347932).

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

1530218404 is a wasteful number, since it uses less digits than its factorization.

1530218404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86356 (or 86354 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 1530218404 is about 39118.0061352825. The cubic root of 1530218404 is about 1152.3501790776.

Adding to 1530218404 its reverse (4048120351), we get a palindrome (5578338755).

The spelling of 1530218404 in words is "one billion, five hundred thirty million, two hundred eighteen thousand, four hundred four".