451135150025540 has 24 divisors (see below), whose sum is σ = 962914697270232. Its totient is φ = 177495796730880.

The previous prime is 451135150025509. The next prime is 451135150025551. The reversal of 451135150025540 is 45520051531154.

It can be written as a sum of positive squares in 4 ways, for example, as 12451173218884 + 438683976806656 = 3528622^2 + 20944784^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184891453709 + ... + 184891456148.

It is an arithmetic number, because the mean of its divisors is an integer number (40121445719593).

Almost surely, 2^{451135150025540} is an apocalyptic number.

It is an amenable number.

451135150025540 is an abundant number, since it is smaller than the sum of its proper divisors (511779547244692).

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

451135150025540 is a wasteful number, since it uses less digits than its factorization.

451135150025540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369782909927 (or 369782909925 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 41.

The spelling of 451135150025540 in words is "four hundred fifty-one trillion, one hundred thirty-five billion, one hundred fifty million, twenty-five thousand, five hundred forty".