538001244 has 144 divisors (see below), whose sum is σ = 1617423360. Its totient is φ = 153342720.

The previous prime is 538001231. The next prime is 538001263. The reversal of 538001244 is 442100835.

538001244 is a `hidden beast` number, since 538 + 0 + 0 + 124 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 342549 + ... + 344115.

Almost surely, 2^538001244 is an apocalyptic number.

538001244 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538001244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (808711680).

538001244 is an abundant number, since it is smaller than the sum of its proper divisors (1079422116).

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

538001244 is a wasteful number, since it uses less digits than its factorization.

538001244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625 (or 1600 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 538001244 is about 23194.8538257951. The cubic root of 538001244 is about 813.3193282697.

The spelling of 538001244 in words is "five hundred thirty-eight million, one thousand, two hundred forty-four".