48219640 has 32 divisors (see below), whose sum is σ = 123994080. Its totient is φ = 16532352.

The previous prime is 48219631. The next prime is 48219653. The reversal of 48219640 is 4691284.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 48219596 and 48219605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85827 + ... + 86386.

It is an arithmetic number, because the mean of its divisors is an integer number (3874815).

Almost surely, 2^48219640 is an apocalyptic number.

48219640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48219640 is an abundant number, since it is smaller than the sum of its proper divisors (75774440).

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

48219640 is a wasteful number, since it uses less digits than its factorization.

48219640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172231 (or 172227 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 48219640 is about 6944.0362902278. The cubic root of 48219640 is about 363.9775979451.

The spelling of 48219640 in words is "forty-eight million, two hundred nineteen thousand, six hundred forty".