451420850 has 24 divisors (see below), whose sum is σ = 840410868. Its totient is φ = 180403200.

The previous prime is 451420847. The next prime is 451420861. The reversal of 451420850 is 58024154.

It can be written as a sum of positive squares in 6 ways, for example, as 379119841 + 72301009 = 19471^2 + 8503^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61370 + ... + 68330.

Almost surely, 2^451420850 is an apocalyptic number.

451420850 is a deficient number, since it is larger than the sum of its proper divisors (388990018).

451420850 is a wasteful number, since it uses less digits than its factorization.

451420850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8270 (or 8265 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 451420850 is about 21246.6667974061. Note that the first 3 decimals coincide. The cubic root of 451420850 is about 767.1151115119.

The spelling of 451420850 in words is "four hundred fifty-one million, four hundred twenty thousand, eight hundred fifty".