451015432 has 16 divisors (see below), whose sum is σ = 966461760. Its totient is φ = 193292304.

The previous prime is 451015429. The next prime is 451015463. The reversal of 451015432 is 234510154.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 451015397 and 451015406.

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, 4026868 + ... + 4026979.

It is an arithmetic number, because the mean of its divisors is an integer number (60403860).

Almost surely, 2^451015432 is an apocalyptic number.

It is an amenable number.

451015432 is an abundant number, since it is smaller than the sum of its proper divisors (515446328).

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

451015432 is a wasteful number, since it uses less digits than its factorization.

451015432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8053860 (or 8053856 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 451015432 is about 21237.1239107371. The cubic root of 451015432 is about 766.8853957720.

Adding to 451015432 its reverse (234510154), we get a palindrome (685525586).

The spelling of 451015432 in words is "four hundred fifty-one million, fifteen thousand, four hundred thirty-two".