451201330540 has 12 divisors (see below), whose sum is σ = 947522794176. Its totient is φ = 180480532208.

The previous prime is 451201330477. The next prime is 451201330549. The reversal of 451201330540 is 45033102154.

It is a junction number, because it is equal to n+sod(n) for n = 451201330499 and 451201330508.

It is not an unprimeable number, because it can be changed into a prime (451201330549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11280033244 + ... + 11280033283.

It is an arithmetic number, because the mean of its divisors is an integer number (78960232848).

Almost surely, 2^451201330540 is an apocalyptic number.

It is an amenable number.

451201330540 is an abundant number, since it is smaller than the sum of its proper divisors (496321463636).

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

451201330540 is a wasteful number, since it uses less digits than its factorization.

451201330540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22560066536 (or 22560066534 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 451201330540 its reverse (45033102154), we get a palindrome (496234432694).

The spelling of 451201330540 in words is "four hundred fifty-one billion, two hundred one million, three hundred thirty thousand, five hundred forty".