2453211240520 has 128 divisors (see below), whose sum is σ = 6161545324800. Its totient is φ = 873598058496.

The previous prime is 2453211240517. The next prime is 2453211240521. The reversal of 2453211240520 is 250421123542.

It is a happy number.

It is a super-2 number, since 2×2453211240520² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2453211240521) 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 31 ways as a sum of consecutive naturals, for example, 8212504 + ... + 8505976.

It is an arithmetic number, because the mean of its divisors is an integer number (48137072850).

Almost surely, 2^{2453211240520} is an apocalyptic number.

2453211240520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2453211240520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3080772662400).

2453211240520 is an abundant number, since it is smaller than the sum of its proper divisors (3708334084280).

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

2453211240520 is a wasteful number, since it uses less digits than its factorization.

2453211240520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294167 (or 294163 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

It can be divided in two parts, 245321 and 1240520, that added together give a palindrome (1485841).

The spelling of 2453211240520 in words is "two trillion, four hundred fifty-three billion, two hundred eleven million, two hundred forty thousand, five hundred twenty".