48650640 has 160 divisors (see below), whose sum is σ = 162846720. Its totient is φ = 11976192.

The previous prime is 48650639. The next prime is 48650647. The reversal of 48650640 is 4605684.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (48650647) 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, 214207 + ... + 214433.

It is an arithmetic number, because the mean of its divisors is an integer number (1017792).

Almost surely, 2^48650640 is an apocalyptic number.

48650640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48650640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81423360).

48650640 is an abundant number, since it is smaller than the sum of its proper divisors (114196080).

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

48650640 is a wasteful number, since it uses less digits than its factorization.

48650640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 48650640 is about 6975.0010752687. The cubic root of 48650640 is about 365.0588258224.

The spelling of 48650640 in words is "forty-eight million, six hundred fifty thousand, six hundred forty".