1026404425 has 12 divisors (see below), whose sum is σ = 1284008220. Its totient is φ = 813854720.

The previous prime is 1026404341. The next prime is 1026404429. The reversal of 1026404425 is 5244046201.

1026404425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 197655481 + 828748944 = 14059^2 + 28788^2 .

It is not a de Polignac number, because 1026404425 - 2⁹ = 1026403913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1026404393 and 1026404402.

It is not an unprimeable number, because it can be changed into a prime (1026404429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178840 + ... + 184489.

It is an arithmetic number, because the mean of its divisors is an integer number (107000685).

Almost surely, 2^1026404425 is an apocalyptic number.

It is an amenable number.

1026404425 is a deficient number, since it is larger than the sum of its proper divisors (257603795).

1026404425 is a wasteful number, since it uses less digits than its factorization.

1026404425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363452 (or 363447 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1026404425 is about 32037.5471127238. The cubic root of 1026404425 is about 1008.7251257720.

The spelling of 1026404425 in words is "one billion, twenty-six million, four hundred four thousand, four hundred twenty-five".