1026343540 has 48 divisors (see below), whose sum is σ = 2178094464. Its totient is φ = 406224000.

The previous prime is 1026343523. The next prime is 1026343541. The reversal of 1026343540 is 453436201.

1026343540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1026343499 and 1026343508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026343541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 976015 + ... + 977065.

It is an arithmetic number, because the mean of its divisors is an integer number (45376968).

Almost surely, 2^1026343540 is an apocalyptic number.

1026343540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1026343540 is an abundant number, since it is smaller than the sum of its proper divisors (1151750924).

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

1026343540 is a wasteful number, since it uses less digits than its factorization.

1026343540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528 (or 1526 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1026343540 is about 32036.5968854371. The cubic root of 1026343540 is about 1008.7051799488.

Adding to 1026343540 its reverse (453436201), we get a palindrome (1479779741).

The spelling of 1026343540 in words is "one billion, twenty-six million, three hundred forty-three thousand, five hundred forty".