451223233340 has 48 divisors (see below), whose sum is σ = 1034594757504. Its totient is φ = 163940961600.

The previous prime is 451223233247. The next prime is 451223233361. The reversal of 451223233340 is 43332322154.

It is a junction number, because it is equal to n+sod(n) for n = 451223233297 and 451223233306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618134 + ... + 1133373.

It is an arithmetic number, because the mean of its divisors is an integer number (21554057448).

Almost surely, 2^451223233340 is an apocalyptic number.

It is an amenable number.

451223233340 is an abundant number, since it is smaller than the sum of its proper divisors (583371524164).

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

451223233340 is a wasteful number, since it uses less digits than its factorization.

451223233340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752698 (or 1752696 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 451223233340 its reverse (43332322154), we get a palindrome (494555555494).

The spelling of 451223233340 in words is "four hundred fifty-one billion, two hundred twenty-three million, two hundred thirty-three thousand, three hundred forty".