538248780 has 96 divisors (see below), whose sum is σ = 1682311680. Its totient is φ = 142868160.

The previous prime is 538248773. The next prime is 538248791. The reversal of 538248780 is 87842835.

538248780 is a `hidden beast` number, since 538 + 2 + 48 + 78 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120385 + ... + 124775.

It is an arithmetic number, because the mean of its divisors is an integer number (17524080).

Almost surely, 2^538248780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538248780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (841155840).

538248780 is an abundant number, since it is smaller than the sum of its proper divisors (1144062900).

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

538248780 is a wasteful number, since it uses less digits than its factorization.

538248780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4636 (or 4628 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 538248780 is about 23200.1892233663. The cubic root of 538248780 is about 813.4440460385. Note that the first 3 decimals are identical.

The spelling of 538248780 in words is "five hundred thirty-eight million, two hundred forty-eight thousand, seven hundred eighty".