452402012233644 has 48 divisors (see below), whose sum is σ = 1152025549723776. Its totient is φ = 137037138940800.

The previous prime is 452402012233621. The next prime is 452402012233649. The reversal of 452402012233644 is 446332210204254.

It is a junction number, because it is equal to n+sod(n) for n = 452402012233596 and 452402012233605.

It is not an unprimeable number, because it can be changed into a prime (452402012233649) 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, 679414942 + ... + 680080485.

It is an arithmetic number, because the mean of its divisors is an integer number (24000532285912).

Almost surely, 2^{452402012233644} is an apocalyptic number.

452402012233644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

452402012233644 is an abundant number, since it is smaller than the sum of its proper divisors (699623537490132).

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

452402012233644 is a wasteful number, since it uses less digits than its factorization.

452402012233644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359497966 (or 1359497964 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 42.

Adding to 452402012233644 its reverse (446332210204254), we get a palindrome (898734222437898).

The spelling of 452402012233644 in words is "four hundred fifty-two trillion, four hundred two billion, twelve million, two hundred thirty-three thousand, six hundred forty-four".