48138380 has 12 divisors (see below), whose sum is σ = 101090640. Its totient is φ = 19255344.

The previous prime is 48138331. The next prime is 48138383. The reversal of 48138380 is 8383184.

It is a self number, because there is not a number n which added to its sum of digits gives 48138380.

It is not an unprimeable number, because it can be changed into a prime (48138383) 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, 1203440 + ... + 1203479.

It is an arithmetic number, because the mean of its divisors is an integer number (8424220).

Almost surely, 2^48138380 is an apocalyptic number.

It is an amenable number.

48138380 is an abundant number, since it is smaller than the sum of its proper divisors (52952260).

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

48138380 is a wasteful number, since it uses less digits than its factorization.

48138380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406928 (or 2406926 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 48138380 is about 6938.1827591957. The cubic root of 48138380 is about 363.7730239753.

The spelling of 48138380 in words is "forty-eight million, one hundred thirty-eight thousand, three hundred eighty".