48640816 has 20 divisors (see below), whose sum is σ = 107704912. Its totient is φ = 20846016.

The previous prime is 48640811. The next prime is 48640831. The reversal of 48640816 is 61804684.

It is a super-2 number, since 2×48640816² = 4731857962291712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48640811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217035 + ... + 217258.

Almost surely, 2^48640816 is an apocalyptic number.

It is an amenable number.

48640816 is an abundant number, since it is smaller than the sum of its proper divisors (59064096).

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

48640816 is a wasteful number, since it uses less digits than its factorization.

48640816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434308 (or 434302 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 48640816 is about 6974.2968104319. The cubic root of 48640816 is about 365.0342521181.

The spelling of 48640816 in words is "forty-eight million, six hundred forty thousand, eight hundred sixteen".