1026443650 has 48 divisors (see below), whose sum is σ = 2043842400. Its totient is φ = 382354560.

The previous prime is 1026443647. The next prime is 1026443659. The reversal of 1026443650 is 563446201.

It is not an unprimeable number, because it can be changed into a prime (1026443659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46894 + ... + 65206.

It is an arithmetic number, because the mean of its divisors is an integer number (42580050).

Almost surely, 2^1026443650 is an apocalyptic number.

1026443650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1026443650 is a deficient number, since it is larger than the sum of its proper divisors (1017398750).

1026443650 is a wasteful number, since it uses less digits than its factorization.

1026443650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18403 (or 18398 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 1026443650 is about 32038.1592792095. The cubic root of 1026443650 is about 1008.7379753980.

Adding to 1026443650 its reverse (563446201), we get a palindrome (1589889851).

The spelling of 1026443650 in words is "one billion, twenty-six million, four hundred forty-three thousand, six hundred fifty".