1026441556 has 24 divisors (see below), whose sum is σ = 2072819840. Its totient is φ = 435631392.

The previous prime is 1026441551. The next prime is 1026441557. The reversal of 1026441556 is 6551446201.

It is a super-2 number, since 2×1026441556² = 2107164535767402272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026441551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175071 + ... + 180838.

Almost surely, 2^1026441556 is an apocalyptic number.

It is an amenable number.

1026441556 is an abundant number, since it is smaller than the sum of its proper divisors (1046378284).

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

1026441556 is a wasteful number, since it uses less digits than its factorization.

1026441556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356023 (or 356021 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 1026441556 is about 32038.1265994128. The cubic root of 1026441556 is about 1008.7372894377.

Adding to 1026441556 its reverse (6551446201), we get a palindrome (7577887757).

The spelling of 1026441556 in words is "one billion, twenty-six million, four hundred forty-one thousand, five hundred fifty-six".