451566012212340 has 48 divisors (see below), whose sum is σ = 1269906165386880. Its totient is φ = 119891762190720.

The previous prime is 451566012212333. The next prime is 451566012212353. The reversal of 451566012212340 is 43212210665154.

It is a junction number, because it is equal to n+sod(n) for n = 451566012212292 and 451566012212301.

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, 16432519456 + ... + 16432546935.

It is an arithmetic number, because the mean of its divisors is an integer number (26456378445560).

Almost surely, 2^{451566012212340} is an apocalyptic number.

It is an amenable number.

451566012212340 is an abundant number, since it is smaller than the sum of its proper divisors (818340153174540).

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

451566012212340 is a wasteful number, since it uses less digits than its factorization.

451566012212340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32865066632 (or 32865066630 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

Adding to 451566012212340 its reverse (43212210665154), we get a palindrome (494778222877494).

The spelling of 451566012212340 in words is "four hundred fifty-one trillion, five hundred sixty-six billion, twelve million, two hundred twelve thousand, three hundred forty".