1026510428 has 12 divisors (see below), whose sum is σ = 1803384912. Its totient is φ = 511257600.

The previous prime is 1026510421. The next prime is 1026510469. The reversal of 1026510428 is 8240156201.

It is a self number, because there is not a number n which added to its sum of digits gives 1026510428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026510421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498248 + ... + 500303.

It is an arithmetic number, because the mean of its divisors is an integer number (150282076).

Almost surely, 2^1026510428 is an apocalyptic number.

It is an amenable number.

1026510428 is a deficient number, since it is larger than the sum of its proper divisors (776874484).

1026510428 is a wasteful number, since it uses less digits than its factorization.

1026510428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998812 (or 998810 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 1026510428 is about 32039.2014257534. The cubic root of 1026510428 is about 1008.7598502939.

Adding to 1026510428 its reverse (8240156201), we get a palindrome (9266666629).

The spelling of 1026510428 in words is "one billion, twenty-six million, five hundred ten thousand, four hundred twenty-eight".