1240330202553 has 16 divisors (see below), whose sum is σ = 1858421174400. Its totient is φ = 730094031744.

The previous prime is 1240330202521. The next prime is 1240330202557. The reversal of 1240330202553 is 3552020330421.

It is not a de Polignac number, because 1240330202553 - 2⁵ = 1240330202521 is a prime.

It is a super-2 number, since 2×1240330202553² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1240330202553.

It is not an unprimeable number, because it can be changed into a prime (1240330202557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 691376028 + ... + 691377821.

It is an arithmetic number, because the mean of its divisors is an integer number (116151323400).

Almost surely, 2^{1240330202553} is an apocalyptic number.

1240330202553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1240330202553 is a deficient number, since it is larger than the sum of its proper divisors (618090971847).

1240330202553 is a wasteful number, since it uses less digits than its factorization.

1240330202553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382753888.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 1240330202553 its reverse (3552020330421), we get a palindrome (4792350532974).

The spelling of 1240330202553 in words is "one trillion, two hundred forty billion, three hundred thirty million, two hundred two thousand, five hundred fifty-three".