3626161040 has 40 divisors (see below), whose sum is σ = 8434813560. Its totient is φ = 1449778176.

The previous prime is 3626161009. The next prime is 3626161093. The reversal of 3626161040 is 401616263.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1243549696 + 2382611344 = 35264^2 + 48812^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 3626160994 and 3626161012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180626 + ... + 199694.

It is an arithmetic number, because the mean of its divisors is an integer number (210870339).

Almost surely, 2^3626161040 is an apocalyptic number.

It is an amenable number.

3626161040 is an abundant number, since it is smaller than the sum of its proper divisors (4808652520).

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

3626161040 is a wasteful number, since it uses less digits than its factorization.

3626161040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21459 (or 21453 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 3626161040 is about 60217.6140344335. The cubic root of 3626161040 is about 1536.3223991402.

The spelling of 3626161040 in words is "three billion, six hundred twenty-six million, one hundred sixty-one thousand, forty".