1026515436 has 96 divisors (see below), whose sum is σ = 2556153600. Its totient is φ = 320060160.

The previous prime is 1026515411. The next prime is 1026515449. The reversal of 1026515436 is 6345156201.

It is a junction number, because it is equal to n+sod(n) for n = 1026515397 and 1026515406.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2708295 + ... + 2708673.

It is an arithmetic number, because the mean of its divisors is an integer number (26626600).

Almost surely, 2^1026515436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1026515436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1278076800).

1026515436 is an abundant number, since it is smaller than the sum of its proper divisors (1529638164).

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

1026515436 is a wasteful number, since it uses less digits than its factorization.

1026515436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1026515436 is about 32039.2795799157. The cubic root of 1026515436 is about 1008.7614907582.

The spelling of 1026515436 in words is "one billion, twenty-six million, five hundred fifteen thousand, four hundred thirty-six".