1630225026 has 24 divisors (see below), whose sum is σ = 3618305964. Its totient is φ = 530154240.

The previous prime is 1630225019. The next prime is 1630225049. The reversal of 1630225026 is 6205220361.

1630225026 is a `hidden beast` number, since 1 + 630 + 2 + 2 + 5 + 0 + 26 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1599920001 + 30305025 = 39999^2 + 5505^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1103751 + ... + 1105226.

Almost surely, 2^1630225026 is an apocalyptic number.

1630225026 is an abundant number, since it is smaller than the sum of its proper divisors (1988080938).

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

1630225026 is a wasteful number, since it uses less digits than its factorization.

1630225026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209026 (or 2209023 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1630225026 is about 40376.0452000936. The cubic root of 1630225026 is about 1176.9260762135.

Adding to 1630225026 its reverse (6205220361), we get a palindrome (7835445387).

It can be divided in two parts, 16302 and 25026, that added together give a triangular number (41328 = T₂₈₇).

The spelling of 1630225026 in words is "one billion, six hundred thirty million, two hundred twenty-five thousand, twenty-six".