451135540 has 24 divisors (see below), whose sum is σ = 956243232. Its totient is φ = 178766880.

The previous prime is 451135507. The next prime is 451135621. The reversal of 451135540 is 45531154.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 451135499 and 451135508.

It is a congruent number.

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, 103266 + ... + 107545.

It is an arithmetic number, because the mean of its divisors is an integer number (39843468).

Almost surely, 2^451135540 is an apocalyptic number.

It is an amenable number.

451135540 is an abundant number, since it is smaller than the sum of its proper divisors (505107692).

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

451135540 is a wasteful number, since it uses less digits than its factorization.

451135540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210927 (or 210925 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 451135540 is about 21239.9515065360. The cubic root of 451135540 is about 766.9534650584.

Adding to 451135540 its reverse (45531154), we get a palindrome (496666694).

It can be divided in two parts, 45113 and 5540, that added together give a cube (50653 = 37³).

The spelling of 451135540 in words is "four hundred fifty-one million, one hundred thirty-five thousand, five hundred forty".