2004535156 has 12 divisors (see below), whose sum is σ = 3777777892. Its totient is φ = 925170048.

The previous prime is 2004535121. The next prime is 2004535157. The reversal of 2004535156 is 6515354002.

It can be written as a sum of positive squares in 2 ways, for example, as 1343222500 + 661312656 = 36650^2 + 25716^2 .

It is a super-2 number, since 2×2004535156² = 8036322383279888672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004535157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19274325 + ... + 19274428.

Almost surely, 2^2004535156 is an apocalyptic number.

2004535156 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2004535156 is a deficient number, since it is larger than the sum of its proper divisors (1773242736).

2004535156 is a wasteful number, since it uses less digits than its factorization.

2004535156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38548770 (or 38548768 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 2004535156 is about 44772.0354239117. The cubic root of 2004535156 is about 1260.8726540628.

Adding to 2004535156 its reverse (6515354002), we get a palindrome (8519889158).

The spelling of 2004535156 in words is "two billion, four million, five hundred thirty-five thousand, one hundred fifty-six".