538078752 has 72 divisors (see below), whose sum is σ = 1567516860. Its totient is φ = 174981120.

The previous prime is 538078741. The next prime is 538078759. The reversal of 538078752 is 257870835.

It can be written as a sum of positive squares in 2 ways, for example, as 538054416 + 24336 = 23196^2 + 156^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 538078698 and 538078707.

It is not an unprimeable number, because it can be changed into a prime (538078759) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10977 + ... + 34592.

Almost surely, 2^538078752 is an apocalyptic number.

It is an amenable number.

538078752 is an abundant number, since it is smaller than the sum of its proper divisors (1029438108).

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

538078752 is a wasteful number, since it uses less digits than its factorization.

538078752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45626 (or 45615 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The square root of 538078752 is about 23196.5245672708. The cubic root of 538078752 is about 813.3583837726.

The spelling of 538078752 in words is "five hundred thirty-eight million, seventy-eight thousand, seven hundred fifty-two".