451342040 has 16 divisors (see below), whose sum is σ = 1015519680. Its totient is φ = 180536800.

The previous prime is 451342039. The next prime is 451342091. The reversal of 451342040 is 40243154.

It is a junction number, because it is equal to n+sod(n) for n = 451341997 and 451342015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5641736 + ... + 5641815.

It is an arithmetic number, because the mean of its divisors is an integer number (63469980).

Almost surely, 2^451342040 is an apocalyptic number.

451342040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

451342040 is an abundant number, since it is smaller than the sum of its proper divisors (564177640).

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

451342040 is a wasteful number, since it uses less digits than its factorization.

451342040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11283562 (or 11283558 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 451342040 is about 21244.8120725979. The cubic root of 451342040 is about 767.0704673914.

Adding to 451342040 its reverse (40243154), we get a palindrome (491585194).

It can be divided in two parts, 45134 and 2040, that added together give a palindrome (47174).

The spelling of 451342040 in words is "four hundred fifty-one million, three hundred forty-two thousand, forty".