1530021402426 has 32 divisors (see below), whose sum is σ = 3348962413056. Its totient is φ = 462152030000.

The previous prime is 1530021402323. The next prime is 1530021402451. The reversal of 1530021402426 is 6242041200351.

It is a junction number, because it is equal to n+sod(n) for n = 1530021402393 and 1530021402402.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37249800 + ... + 37290851.

It is an arithmetic number, because the mean of its divisors is an integer number (104655075408).

Almost surely, 2^{1530021402426} is an apocalyptic number.

1530021402426 is an abundant number, since it is smaller than the sum of its proper divisors (1818941010630).

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

1530021402426 is a wasteful number, since it uses less digits than its factorization.

1530021402426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74540978.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 1530021402426 its reverse (6242041200351), we get a palindrome (7772062602777).

The spelling of 1530021402426 in words is "one trillion, five hundred thirty billion, twenty-one million, four hundred two thousand, four hundred twenty-six".