649060050 has 48 divisors (see below), whose sum is σ = 1630074240. Its totient is φ = 170888640.

The previous prime is 649060039. The next prime is 649060057. The reversal of 649060050 is 50060946.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (649060057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15537 + ... + 39236.

It is an arithmetic number, because the mean of its divisors is an integer number (33959880).

Almost surely, 2^649060050 is an apocalyptic number.

649060050 is an abundant number, since it is smaller than the sum of its proper divisors (981014190).

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

649060050 is a wasteful number, since it uses less digits than its factorization.

649060050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54867 (or 54862 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 649060050 is about 25476.6569627964. The cubic root of 649060050 is about 865.8213544495.

The spelling of 649060050 in words is "six hundred forty-nine million, sixty thousand, fifty".