1026479944 has 64 divisors (see below), whose sum is σ = 2239488000. Its totient is φ = 431995200.

The previous prime is 1026479939. The next prime is 1026479947. The reversal of 1026479944 is 4499746201.

It is a super-2 number, since 2×1026479944² = 2107322150868486272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1026479894 and 1026479903.

It is not an unprimeable number, because it can be changed into a prime (1026479947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1713357 + ... + 1713955.

It is an arithmetic number, because the mean of its divisors is an integer number (34992000).

Almost surely, 2^1026479944 is an apocalyptic number.

1026479944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1026479944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1119744000).

1026479944 is an abundant number, since it is smaller than the sum of its proper divisors (1213008056).

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

1026479944 is a wasteful number, since it uses less digits than its factorization.

1026479944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 1026479944 is about 32038.7256925116. The cubic root of 1026479944 is about 1008.7498645730.

The spelling of 1026479944 in words is "one billion, twenty-six million, four hundred seventy-nine thousand, nine hundred forty-four".