48486640 has 20 divisors (see below), whose sum is σ = 112731624. Its totient is φ = 19394624.

The previous prime is 48486631. The next prime is 48486661. The reversal of 48486640 is 4668484.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 48486593 and 48486602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302962 + ... + 303121.

Almost surely, 2^48486640 is an apocalyptic number.

48486640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48486640 is an abundant number, since it is smaller than the sum of its proper divisors (64244984).

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

48486640 is a wasteful number, since it uses less digits than its factorization.

48486640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606096 (or 606090 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 48486640 is about 6963.2348804273. The cubic root of 48486640 is about 364.6481628678.

The spelling of 48486640 in words is "forty-eight million, four hundred eighty-six thousand, six hundred forty".