1026004090 has 32 divisors (see below), whose sum is σ = 1895567184. Its totient is φ = 399605760.

The previous prime is 1026004081. The next prime is 1026004093. The reversal of 1026004090 is 904006201.

It can be written as a sum of positive squares in 8 ways, for example, as 189695529 + 836308561 = 13773^2 + 28919^2 .

It is not an unprimeable number, because it can be changed into a prime (1026004093) 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, 234402 + ... + 238738.

Almost surely, 2^1026004090 is an apocalyptic number.

1026004090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1026004090 is a deficient number, since it is larger than the sum of its proper divisors (869563094).

1026004090 is a wasteful number, since it uses less digits than its factorization.

1026004090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4962.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1026004090 is about 32031.2985999631. The cubic root of 1026004090 is about 1008.5939622406.

The spelling of 1026004090 in words is "one billion, twenty-six million, four thousand, ninety".