1530213040 has 40 divisors (see below), whose sum is σ = 3561655968. Its totient is φ = 611412480.

The previous prime is 1530213031. The next prime is 1530213049. The reversal of 1530213040 is 403120351.

It is an interprime number because it is at equal distance from previous prime (1530213031) and next prime (1530213049).

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

It is a junction number, because it is equal to n+sod(n) for n = 1530212999 and 1530213017.

It is not an unprimeable number, because it can be changed into a prime (1530213049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66205 + ... + 86275.

Almost surely, 2^1530213040 is an apocalyptic number.

1530213040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1530213040 is an abundant number, since it is smaller than the sum of its proper divisors (2031442928).

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

1530213040 is a wasteful number, since it uses less digits than its factorization.

1530213040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21037 (or 21031 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1530213040 is about 39117.9375734458. The cubic root of 1530213040 is about 1152.3488326002.

Adding to 1530213040 its reverse (403120351), we get a palindrome (1933333391).

The spelling of 1530213040 in words is "one billion, five hundred thirty million, two hundred thirteen thousand, forty".