1004523650 has 24 divisors (see below), whose sum is σ = 2012139444. Its totient is φ = 370900800.

The previous prime is 1004523649. The next prime is 1004523701. The reversal of 1004523650 is 563254001.

It can be written as a sum of positive squares in 6 ways, for example, as 107101801 + 897421849 = 10349^2 + 29957^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 772061 + ... + 773360.

Almost surely, 2^1004523650 is an apocalyptic number.

1004523650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1004523650 is an abundant number, since it is smaller than the sum of its proper divisors (1007615794).

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

1004523650 is a wasteful number, since it uses less digits than its factorization.

1004523650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545446 (or 1545441 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1004523650 is about 31694.2210820837. The cubic root of 1004523650 is about 1001.5056153182.

Adding to 1004523650 its reverse (563254001), we get a palindrome (1567777651).

The spelling of 1004523650 in words is "one billion, four million, five hundred twenty-three thousand, six hundred fifty".