3626244135440 has 40 divisors (see below), whose sum is σ = 8431125682200. Its totient is φ = 1450479062016.

The previous prime is 3626244135391. The next prime is 3626244135491. The reversal of 3626244135440 is 445314426263.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 713842491664 + 2912401643776 = 844892^2 + 1706576^2 .

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 = 3626244135391 and 3626244135400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7184486 + ... + 7672634.

It is an arithmetic number, because the mean of its divisors is an integer number (210778142055).

Almost surely, 2^{3626244135440} is an apocalyptic number.

It is an amenable number.

3626244135440 is an abundant number, since it is smaller than the sum of its proper divisors (4804881546760).

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

3626244135440 is a wasteful number, since it uses less digits than its factorization.

3626244135440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581019 (or 581013 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 44.

The spelling of 3626244135440 in words is "three trillion, six hundred twenty-six billion, two hundred forty-four million, one hundred thirty-five thousand, four hundred forty".