1026631456 has 24 divisors (see below), whose sum is σ = 2034755100. Its totient is φ = 509868288.

The previous prime is 1026631453. The next prime is 1026631469. The reversal of 1026631456 is 6541366201.

It can be written as a sum of positive squares in 2 ways, for example, as 780643600 + 245987856 = 27940^2 + 15684^2 .

It is not an unprimeable number, because it can be changed into a prime (1026631453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102891 + ... + 112426.

Almost surely, 2^1026631456 is an apocalyptic number.

1026631456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1026631456 is a deficient number, since it is larger than the sum of its proper divisors (1008123644).

1026631456 is a wasteful number, since it uses less digits than its factorization.

1026631456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215476 (or 215468 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1026631456 is about 32041.0901187834. The cubic root of 1026631456 is about 1008.7994937909.

Adding to 1026631456 its reverse (6541366201), we get a palindrome (7567997657).

The spelling of 1026631456 in words is "one billion, twenty-six million, six hundred thirty-one thousand, four hundred fifty-six".