3626181344 has 24 divisors (see below), whose sum is σ = 7385220360. Its totient is φ = 1750569856.

The previous prime is 3626181313. The next prime is 3626181397. The reversal of 3626181344 is 4431816263.

It is a happy number.

It is a super-2 number, since 2×3626181344² = 26298382279147292672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3626181298 and 3626181307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1952834 + ... + 1954689.

It is an arithmetic number, because the mean of its divisors is an integer number (307717515).

Almost surely, 2^3626181344 is an apocalyptic number.

It is an amenable number.

3626181344 is an abundant number, since it is smaller than the sum of its proper divisors (3759039016).

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

3626181344 is a wasteful number, since it uses less digits than its factorization.

3626181344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3907562 (or 3907554 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 3626181344 is about 60217.7826227436. The cubic root of 3626181344 is about 1536.3252665833.

The spelling of 3626181344 in words is "three billion, six hundred twenty-six million, one hundred eighty-one thousand, three hundred forty-four".