2440253533 has 4 divisors (see below), whose sum is σ = 2440859968. Its totient is φ = 2439647100.

The previous prime is 2440253527. The next prime is 2440253549. The reversal of 2440253533 is 3353520442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3353520442 = 2 ⋅1676760221.

It is a cyclic number.

It is not a de Polignac number, because 2440253533 - 2¹³ = 2440245341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2440253495 and 2440253504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440253513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297141 + ... + 305242.

It is an arithmetic number, because the mean of its divisors is an integer number (610214992).

Almost surely, 2^2440253533 is an apocalyptic number.

It is an amenable number.

2440253533 is a deficient number, since it is larger than the sum of its proper divisors (606435).

2440253533 is an equidigital number, since it uses as much as digits as its factorization.

2440253533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606434.

The product of its (nonzero) digits is 43200, while the sum is 31.

The square root of 2440253533 is about 49398.9223870319. The cubic root of 2440253533 is about 1346.3097265434.

Adding to 2440253533 its reverse (3353520442), we get a palindrome (5793773975).

The spelling of 2440253533 in words is "two billion, four hundred forty million, two hundred fifty-three thousand, five hundred thirty-three".