647054044 has 48 divisors (see below), whose sum is σ = 1467020800. Its totient is φ = 242502336.

The previous prime is 647053999. The next prime is 647054047. The reversal of 647054044 is 440450746.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647054047) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 39864 + ... + 53695.

Almost surely, 2^647054044 is an apocalyptic number.

It is an amenable number.

647054044 is an abundant number, since it is smaller than the sum of its proper divisors (819966756).

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

647054044 is a wasteful number, since it uses less digits than its factorization.

647054044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93602 (or 93600 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 34.

The square root of 647054044 is about 25437.2570062104. The cubic root of 647054044 is about 864.9284554412.

The spelling of 647054044 in words is "six hundred forty-seven million, fifty-four thousand, forty-four".