451077028 has 6 divisors (see below), whose sum is σ = 789384806. Its totient is φ = 225538512.

The previous prime is 451077023. The next prime is 451077037. The reversal of 451077028 is 820770154.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 273174784 + 177902244 = 16528^2 + 13338^2 .

It is a junction number, because it is equal to n+sod(n) for n = 451076984 and 451077002.

It is not an unprimeable number, because it can be changed into a prime (451077023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56384625 + ... + 56384632.

Almost surely, 2^451077028 is an apocalyptic number.

It is an amenable number.

451077028 is a deficient number, since it is larger than the sum of its proper divisors (338307778).

451077028 is a wasteful number, since it uses less digits than its factorization.

451077028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112769261 (or 112769259 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 451077028 is about 21238.5740575962. The cubic root of 451077028 is about 766.9203058284.

The spelling of 451077028 in words is "four hundred fifty-one million, seventy-seven thousand, twenty-eight".