3612436420 has 72 divisors (see below), whose sum is σ = 8113936320. Its totient is φ = 1350643200.

The previous prime is 3612436379. The next prime is 3612436439. The reversal of 3612436420 is 246342163.

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 23 ways as a sum of consecutive naturals, for example, 870711 + ... + 874849.

It is an arithmetic number, because the mean of its divisors is an integer number (112693560).

Almost surely, 2^3612436420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3612436420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4056968160).

3612436420 is an abundant number, since it is smaller than the sum of its proper divisors (4501499900).

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

3612436420 is a wasteful number, since it uses less digits than its factorization.

3612436420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4333 (or 4314 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 3612436420 is about 60103.5474826570. The cubic root of 3612436420 is about 1534.3816782699.

Adding to 3612436420 its reverse (246342163), we get a palindrome (3858778583).

The spelling of 3612436420 in words is "three billion, six hundred twelve million, four hundred thirty-six thousand, four hundred twenty".