2535243444 has 36 divisors (see below), whose sum is σ = 6430430916. Its totient is φ = 842193408.

The previous prime is 2535243437. The next prime is 2535243461. The reversal of 2535243444 is 4443425352.

It can be written as a sum of positive squares in 2 ways, for example, as 2421820944 + 113422500 = 49212^2 + 10650^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2535243444² = 12854918640689962272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2535243399 and 2535243408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109629 + ... + 130724.

It is an arithmetic number, because the mean of its divisors is an integer number (178623081).

Almost surely, 2^2535243444 is an apocalyptic number.

It is an amenable number.

2535243444 is an abundant number, since it is smaller than the sum of its proper divisors (3895187472).

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

2535243444 is a wasteful number, since it uses less digits than its factorization.

2535243444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240656 (or 240651 counting only the distinct ones).

The product of its digits is 230400, while the sum is 36.

The square root of 2535243444 is about 50351.2010184464. The cubic root of 2535243444 is about 1363.5567662581.

Adding to 2535243444 its reverse (4443425352), we get a palindrome (6978668796).

The spelling of 2535243444 in words is "two billion, five hundred thirty-five million, two hundred forty-three thousand, four hundred forty-four".