649255032 has 24 divisors (see below), whose sum is σ = 1758399240. Its totient is φ = 216418320.

The previous prime is 649255003. The next prime is 649255043. The reversal of 649255032 is 230552946.

649255032 is a `hidden beast` number, since 64 + 92 + 5 + 503 + 2 = 666.

649255032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4508644 + ... + 4508787.

It is an arithmetic number, because the mean of its divisors is an integer number (73266635).

Almost surely, 2^649255032 is an apocalyptic number.

It is an amenable number.

649255032 is an abundant number, since it is smaller than the sum of its proper divisors (1109144208).

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

649255032 is a wasteful number, since it uses less digits than its factorization.

649255032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9017443 (or 9017436 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 649255032 is about 25480.4833549130. The cubic root of 649255032 is about 865.9080452866.

The spelling of 649255032 in words is "six hundred forty-nine million, two hundred fifty-five thousand, thirty-two".