451047648 has 48 divisors (see below), whose sum is σ = 1185495696. Its totient is φ = 150159360.

The previous prime is 451047617. The next prime is 451047659. The reversal of 451047648 is 846740154.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 87840 + ... + 92832.

It is an arithmetic number, because the mean of its divisors is an integer number (24697827).

Almost surely, 2^451047648 is an apocalyptic number.

451047648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

451047648 is an abundant number, since it is smaller than the sum of its proper divisors (734448048).

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

451047648 is a wasteful number, since it uses less digits than its factorization.

451047648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5947 (or 5939 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 451047648 is about 21237.8823803128. The cubic root of 451047648 is about 766.9036548602.

The spelling of 451047648 in words is "four hundred fifty-one million, forty-seven thousand, six hundred forty-eight".