1026440315 has 16 divisors (see below), whose sum is σ = 1263195648. Its totient is φ = 800259936.

The previous prime is 1026440309. The next prime is 1026440369. The reversal of 1026440315 is 5130446201.

It is a cyclic number.

It is not a de Polignac number, because 1026440315 - 2¹⁸ = 1026178171 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95294 + ... + 105516.

It is an arithmetic number, because the mean of its divisors is an integer number (78949728).

Almost surely, 2^1026440315 is an apocalyptic number.

1026440315 is a deficient number, since it is larger than the sum of its proper divisors (236755333).

1026440315 is a wasteful number, since it uses less digits than its factorization.

1026440315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10738.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1026440315 is about 32038.1072318575. The cubic root of 1026440315 is about 1008.7368829059.

Adding to 1026440315 its reverse (5130446201), we get a palindrome (6156886516).

The spelling of 1026440315 in words is "one billion, twenty-six million, four hundred forty thousand, three hundred fifteen".