451440125540 has 96 divisors (see below), whose sum is σ = 962043264000. Its totient is φ = 177932367360.

The previous prime is 451440125527. The next prime is 451440125569. The reversal of 451440125540 is 45521044154.

It is a self number, because there is not a number n which added to its sum of digits gives 451440125540.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188177261 + ... + 188179659.

It is an arithmetic number, because the mean of its divisors is an integer number (10021284000).

Almost surely, 2^451440125540 is an apocalyptic number.

It is an amenable number.

451440125540 is an abundant number, since it is smaller than the sum of its proper divisors (510603138460).

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

451440125540 is a wasteful number, since it uses less digits than its factorization.

451440125540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3045 (or 3043 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 451440125540 its reverse (45521044154), we get a palindrome (496961169694).

The spelling of 451440125540 in words is "four hundred fifty-one billion, four hundred forty million, one hundred twenty-five thousand, five hundred forty".