538274016 has 144 divisors (see below), whose sum is σ = 1785420000. Its totient is φ = 153764352.

The previous prime is 538273997. The next prime is 538274053. The reversal of 538274016 is 610472835.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96060 + ... + 101508.

It is an arithmetic number, because the mean of its divisors is an integer number (12398750).

Almost surely, 2^538274016 is an apocalyptic number.

538274016 is a gapful number since it is divisible by the number (56) 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 538274016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (892710000).

538274016 is an abundant number, since it is smaller than the sum of its proper divisors (1247145984).

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

538274016 is a wasteful number, since it uses less digits than its factorization.

538274016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5486 (or 5461 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 538274016 is about 23200.7330918659. The cubic root of 538274016 is about 813.4567587183.

The spelling of 538274016 in words is "five hundred thirty-eight million, two hundred seventy-four thousand, sixteen".