650240838 has 64 divisors (see below), whose sum is σ = 1638067200. Its totient is φ = 189540000.

The previous prime is 650240827. The next prime is 650240839. The reversal of 650240838 is 838042056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650240839) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11038 + ... + 37713.

It is an arithmetic number, because the mean of its divisors is an integer number (25594800).

Almost surely, 2^650240838 is an apocalyptic number.

650240838 is an abundant number, since it is smaller than the sum of its proper divisors (987826362).

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

650240838 is a wasteful number, since it uses less digits than its factorization.

650240838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48794 (or 48788 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 650240838 is about 25499.8203523084. The cubic root of 650240838 is about 866.3460784345.

The spelling of 650240838 in words is "six hundred fifty million, two hundred forty thousand, eight hundred thirty-eight".