2533439462440 has 32 divisors (see below), whose sum is σ = 5700838349160. Its totient is φ = 1013269196800.

The previous prime is 2533439462431. The next prime is 2533439462447. The reversal of 2533439462440 is 442649343352.

It can be written as a sum of positive squares in 4 ways, for example, as 1787285567236 + 746153895204 = 1336894^2 + 863802^2 .

It is not an unprimeable number, because it can be changed into a prime (2533439462447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2945281 + ... + 3706960.

Almost surely, 2^{2533439462440} is an apocalyptic number.

2533439462440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2533439462440 is an abundant number, since it is smaller than the sum of its proper divisors (3167398886720).

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

2533439462440 is a wasteful number, since it uses less digits than its factorization.

2533439462440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6661773 (or 6661769 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 49.

The spelling of 2533439462440 in words is "two trillion, five hundred thirty-three billion, four hundred thirty-nine million, four hundred sixty-two thousand, four hundred forty".